How To Choose the Right AC Adapter for Your Egg Incubators

Did you know that choosing the ideal AC adapter for your egg incubator is extremely important?

An AC adapter is an important component of an egg incubator, as it provides the power needed to operate the incubator and maintain the correct temperature and humidity levels. Choosing the best AC adapter for your incubator can help ensure that the incubator runs smoothly and consistently throughout the entire incubation period.

This guide will help you understand everything you should know about egg incubators and offer tips on picking the best AC adapters.

If you’re ready, let’s get started!

What is an Egg Incubator?

An egg incubator is a device to hatch eggs artificially by maintaining the appropriate temperature, humidity, and ventilation conditions for the developing embryos.

Incubators can be used for hatching various eggs, including chicken, duck, quail, and other bird eggs and reptile and insect eggs. They are commonly used by farmers, bird enthusiasts, and educators to hatch eggs in a controlled environment.

The most common types of incubators are thermoelectrically or using a heat lamp. Here are some of them:

Homemade incubators

These incubators can also be built from scratch using materials such as Styrofoam boxes, cardboard boxes, and plastic storage containers. These incubators are often less expensive than commercial incubators but may not provide as much control over the hatching environment.

Automatic incubators

These incubators are fully automated. They will turn the eggs, maintains the temperature and humidity, and even alarm when the hatching process is completed. They are expensive but very convenient to use.

Hybrid incubators

These incubators combine the features of forced-air and still-air incubators. They use a fan to circulate air but also have a still-air mode. That allows the user to switch between the two modes depending on the type of eggs being hatched.

Still-air incubators

These incubators do not have a fan to circulate air, so the temperature inside the incubator can be slightly warmer at the top than at the bottom. They are less expensive than forced-air incubators and are often used to hatch small numbers of eggs.

Forced-air incubators

These incubators use a fan to circulate air and maintain a consistent temperature throughout the incubator. They are considered one of the most accurate types of incubators and are often used for hatching many eggs.

Investing in a good egg incubator will help you achieve high hatch rates and healthy hatchlings. It will also make the process of incubation more convenient and manageable.

How Does the Egg Incubator Work with Power?

An egg incubator works by artificially replicating the conditions a mother bird would provide to her eggs in a nest, such as temperature, humidity, and ventilation.

The incubator uses electricity to power its heating element, fan (if it’s a forced-air incubator), and other necessary components to maintain the optimal conditions for hatching eggs.

The adapter plugged into the power is the one that provides electricity to the egg incubator. It converts the alternating current (AC) from the power outlet into direct current (DC), which the incubator needs to run.

When the incubator is turned on, the heating element begins to warm up, and the thermostat or temperature controller monitors the temperature inside the incubator. Suppose the temperature falls below the set point. The heating element is activated to raise the temperature. If the temperature rises above the set point, the heating element is turned off to reduce the temperature.

Some Incubators have a built-in humidifier that keeps the humidity at the correct level, a fan that moves the air around (forced-air incubator), an automatic egg-turning mechanism, alarms, and displays to make the process more convenient.

The power supply—the AC adapter—is an important part of the egg incubator. It converts the AC from the power outlet into DC. It provides the power necessary for heating elements, fans, humidity controllers, and other components to maintain the optimal conditions for hatching eggs.

How to Choose the Right Power Supply for an Egg Incubator?

Are you wondering how to pick the most suitable power supply for your egg incubator?

When buying a power supply for an egg incubator, it’s important to choose a unit compatible with your incubator. It can power the heating element, fan, humidity controller, and other components.

Here are factors to consider when buying a power supply for your egg incubator:

Voltage and current rating

The power supply should be rated for your incubator’s correct voltage and current. It’s important to check the manufacturer’s specifications for your incubator’s power requirements and ensure the power supply can provide the correct power.

But remember that the suitable voltage and current rating for your AC adapter for an egg incubator will depend on the specific requirements of the incubator you are using. You should check the manufacturer’s specifications for your incubator to determine the power supply’s correct voltage and current rating.

Most common egg incubators require a power supply with a voltage rating of around 12V DC and a current rating of around 1A to 2A.

However, it’s important to note that these values can vary based on the specific model of the incubator and the heating element it’s using. Some incubators might require higher or lower currents.

Using a power supply with the correct voltage and current rating for your incubator is important. Using a power supply with the wrong voltage rating can damage the incubator or lead to poor performance.

It’s also important to check if the power supply has over-current and over-voltage protection, as this will ensure that the power supply will not damage your incubator by providing more power than required or can handle.


A high-quality power supply will have proper safety certifications and a good warranty. It will be made with high-quality materials and will be able to withstand the wear and tear of regular use.

Below are the factors you can consider when determining the quality of an AC adapter for an egg incubator:

Safety certifications: A high-quality AC adapter will have proper safety certifications, such as UL, TUV, CE, or FCC. That ensures that the adapter has passed safety and performance tests and is safe to use.

Materials and construction: A high-quality AC adapter, such as thick gauge wires and sturdy housing, will be made with high-quality materials. It should be well-constructed and durable enough to endure the wear and tear of regular use.

Brand reputation: Buying an adapter from a reputable brand is a good indication of quality, as these companies have a vested interest in producing high-quality products to maintain their reputation.

Warranty: A good quality adapter should come with a warranty that covers any defects or issues that might arise during regular use.


A durable power supply will last longer and withstand regular wear and tear.

Durability is an important factor to consider when buying an AC adapter for an egg incubator. After all, a durable adapter can withstand the wear and tear of regular use and will last a long time without any issues. A good quality and durable adapter will not only ensure that your incubator runs smoothly but also avoid the cost of frequent replacements.

On top of that, a durable adapter will be made with high-quality materials and should have sturdy housing. It should handle the temperature and humidity fluctuations inside an incubator without failure.

It must also protect against over-current, over-voltage, and other factors that can cause damage. That will ensure that the adapter will not damage your incubator by providing more power than required or can handle.

Brand compatibility

Ensure the power supply is compatible with your incubator brand and model. It’s best to buy a power supply specifically designed for your incubator.

It’s essential to ensure that the adapter is compatible with the brand and model of the incubator you’re using, as using an incompatible adapter can cause issues or even damage the incubator.

Adapters that the same manufacturer makes as the incubator will have been specifically designed to work with that model, which means that they will have the correct voltage and current rating, connector, and other specifications necessary for proper operation.

Buying an adapter not specifically designed for your incubator can be risky. The voltage, current rating, connector, and other specifications may not match. Also, even if you find an adapter with the same specifications, it may not work as well as the original adapter, which can lead to poor performance or even damage to the incubator.

Output connectors

Check the power supply’s output connectors and ensure they match your incubator’s input connectors.

The output connector on the adapter must match the input connector on the incubator for the adapter to provide power to the incubator properly.

Different manufacturers may use different types of connectors for their incubators. For example, one may use a barrel connector, and another may use a circular connector. It’s important to check your incubator’s specifications and ensure that the adapter you are considering has a compatible connector.

Over-voltage and current protection

An overvoltage and current protection will ensure that the power supply will not damage your incubator by providing more power than required or can handle.

Overvoltage and current protection will ensure that the adapter does not provide more power than what the incubator can handle, which can damage the incubator or cause it to malfunction.

The over-voltage protection will protect the incubator from voltage spikes, which can occur due to power surges or other electrical disturbances. That will ensure that the voltage supplied to the incubator remains within safe limits, preventing damage to the heating element, temperature controller, and other components.

Similarly, over-current protection will protect the incubator from excessive current, which can occur if a short circuit occurs, for example. It will prevent damage to the incubator and prolong the life of the heating element and other components.

Tips and Tricks for The Egg Incubator AC Adapter

Below are a few tips and tricks for using an egg incubator AC adapter:

  • Make sure the adapter has overvoltage and current protection. That will ensure that the adapter will not damage your incubator by providing more power than required or can handle.
  • Keep a record of the temperature, humidity, and power usage during the hatching process. That can be useful for troubleshooting any issues that may arise.
  • Keep an eye on the voltage and current that the adapter is providing. If you notice abnormal values, unplug the adapter, and contact the manufacturer or a professional to check it.
  • Pay attention to the temperature and humidity levels inside the incubator to ensure they are at the correct levels for the type of eggs you are hatching.
  • Check the adapter’s output connectors and ensure they match the input connectors of your incubator. That will prevent any power issues.
  • Ensure the adapter and incubator are placed in a well-ventilated area and away from any sources of heat or moisture to ensure proper temperature and humidity levels.
  • Keep the adapter and incubator clean and dust-free to ensure proper airflow and reduce the risk of overheating.
  • Be sure to use the correct voltage and current rating for your incubator, as using an adapter with the wrong voltage rating can damage the incubator or lead to poor performance.
  • Always read and follow the manufacturer’s instructions for your incubator and adapter to ensure proper use and safety.

Final Thoughts

To sum up, buying the right power supply for an egg incubator means considering the voltage and current rating, quality, durability, brand compatibility, output connectors, and over-voltage and current protection.

Comparing all the factors mentioned above with your incubator requirements will help ensure that you choose a power supply that is compatible with your incubator and provides the right amount of power to keep your incubator running smoothly. Prowin Power offers a series of power adapters for incubators, look no further than Prowin Power to get the experienced solution for your project.

We hope you find this guide informative and helpful! Thank you for reading, and hopefully, you will find the best AC adapter for your egg incubators!

Can I Use A 90W Laptop Charger for My 65W Laptop?

Using the correct wattage for your laptop is essential as it guarantees your device is getting the proper power. Imagine if your laptop is receiving too little power. It may not function accordingly or may not turn at all. 

Meanwhile, if it’s getting too much power, it could cause damage to your laptop or shorten its lifespan.

Yes, you can use a 90W laptop charger to charge a 65W laptop, but it is not recommended. Why? That’s because using a charger with a higher wattage than your laptop is built for can damage the device or cause other issues.

On top of that, your laptop will only draw as much power as it needs, but a charger with a higher wattage could put unnecessary strain on your charging system and possibly cause overheating and other issues. It will help if you use a charger with the proper wattage for your device to guarantee optimal charging and prevent problems in the future. 

What Is Laptop Charger?

A laptop charger is a small device used to charge your laptop computer’s battery. It’s normally a small, portable device plugged into an electrical outlet and has a cord connecting to your laptop’s input port. 

The charger will convert the AC power from the outlet into DC power, which is utilized to charge your laptop’s battery. When your battery is completely charged, it will automatically stop charging to avoid damage to the battery.

Typically, laptops come with a charger when you purchase them. However, if the charger is damaged or lost, it can be easily replaced with a compatible charger from a third-party supplier or laptop manufacturer. 

Types Of Laptop Chargers in Wattage

There are numerous types of laptop chargers available in various wattages. Take note that your charger’s wattage depends on your laptop’s requirements. Here’s a list of the common wattages for a laptop charger. 


This wattage is typical for smaller laptops or laptops with a low power requirement. 


This wattage is perfect for mid-sized laptops or those with moderate power requirements. 


This wattage is often used for gaming or high-performance laptops with a high-power requirement. 


This is the highest wattage a laptop charger can get. This is perfect for laptops with a higher power requirement. 

Use the proper wattage charger for your device to ensure it chargers properly and does not become damaged or overheat. Using a laptop charger with a higher wattage than your device needs may cause to the battery or the laptop. 

Meanwhile, using a charger with a lower wattage may lead to insufficient power or slower charging to run the laptop. 

Can I Use a 120W Charger for My 90W Laptop? 

This would be OK if the voltage and connector were the same. It’s normally safe to use a charger with a higher wattage than what’s needed by your laptop. The charger’s wattage indicates the maximum power it can deliver to the device it’s charging.

Using a charger with a higher wattage may damage the laptop or cause issues, not to mention it may not charge the device faster than the correct wattage.  

Can I Use A 45W Charger for My 65W Laptop? 

Using 45 watts charger for the 65 watts laptop is not suggested, even if the voltage and connector are the same or compatible, 

We do not recommend utilizing a charger with a lower wattage than what’s needed for the laptop. Also, using a charger with a lower wattage than what’s needed for the device may cause the battery to charge more slowly or not charge at all. It will cause the device to run on an inappropriate supply. 

On top of that, using a charger with lower wattage than what’s needed may further strain the charger and laptop itself, causing more damage to your device. 

It’s always best to make sure your laptop can operate, and its best performance level, and the battery can charge properly. 

Is It Best to Use the Same Voltage and Wattage Charger for Your Laptop?

Yes. It’s typically best to use the same wattage charger and voltage for your laptop, which was supplied with the device or suggested by the manufacturer. Remember that using a charger with a different wattage or voltage could damage the device or cause it to function improperly. 

Laptops are built to be charged with a specific wattage or voltage, and using a charger with a different specification can cause more issues. 

For instance, using a charger with a higher wattage than what’s suggested could cause your device to overcharge, possibly damaging its battery and other crucial components. Meanwhile, using a charger with a lower wattage could cause the device to charge slower or even not charge at all!

Overall, it’s essential to use the charger supplied with your laptop or the one that your manufacturer has particularly suggested. If you need to use another charger, it’s essential to ensure it has the same wattage or voltage as the original charger.

If you are not confident about which charger to use, it’s best to consult your manufacturer or talk to a technical support representative. 


Q: What’s the importance of using the correct wattage for your laptop?

Remember that using the correct wattage for your device is essential as it guarantees your device gets the proper power. A laptop that’s receiving too little power means it may not function properly or may not turn on at all.

Meanwhile, if it’s receiving too much power, it could cause damage to your device or, worse, shorten its lifespan. 

Using the proper wattage can also help optimize your laptop’s performance. A laptop that’s not receiving enough power means it may not be able to run at its full capacity, leading to lower performance and other issues. 

It’s also essential to refer to the manufacturer’s suggestion for the suggested wattages for your laptop’s specific model. 

Q: How many watts does a laptop charger use?

The wattage of your laptop charger can differ based on the laptop’s make and model and the charger. Nonetheless, many laptop chargers utilize between 45 watts to 180 watts. 

To identify your laptop charger’s wattage, you can check the label on the charger or refer to the manual that came with your laptop purchase.

It’s essential to remember that the charger’s wattage doesn’t necessarily reflect the device’s power draw. The laptop’s power draw is identified by a series of factors, such as the type of process, battery size, and the laptop’s workload.

Also, a laptop with a bigger battery and a stronger processor will have a higher power draw, unlike a laptop with a smaller battery and a less powerful processor. 

Q: How do you choose a charger replacement for your laptop?

To pick a replacement charger for your laptop, consider the following factors below:

· Quality – Pick a charger from a dependable brand to ensure its reliability and great quality. Remember that getting cheap and low-quality chargers could be unreliable and might even be dangerous at the same time. 

· Cable length – Consider the cable’s length and whether it’ll conveniently reach the outlet and your laptop. 

· Amperage and voltage – The amperage and voltage of your charger must match your specification laptop. Using a charger with the wrong amperage or voltage could damage the device or cause it to charge slowly or even not at all! 

· Compatibility – Ensure the charger is compatible with your laptop brand and model. You can find that information in the manual, which came with your device, or by looking it up online.

· Price – Choose your budget and look for a charger that meets your needs within that budget.

· Warranty – Go for a charger that comes with a warranty. 

Using the original charger, which came with your laptop, is suggested. That’s because it has been made particularly for your laptop and is more likely to be the ideal fit. Nonetheless, if you can’t find the original charger or if it’s no longer working, you can pick a replacement charger as long as it meets the criteria above. 

Q: How many watts does a daily laptop charger use?

The wattage of a laptop charger can vary depending on its make and model and the charger. In general, laptop chargers range from about 45 to 180 watts. Most everyday laptop chargers fall in the range of 65 watts to 90 watts.

Q: How many watts does a gamer laptop’s charger use?

Gamer laptops tend to have more powerful hardware and, therefore, may require more wattage to charge their batteries. As a result, gamer laptop chargers may have higher wattages than chargers for everyday laptops.

The wattage of a gamer laptop charger can vary depending on its make and model and the charger. Generally, gamer laptop chargers may range from about 90 to 180 watts. Some high-end gamer laptop chargers may even have up to 240 watts or more wattages.

There you have it! We hope you find this post informative and useful at the same time! 

What Does ETL Certificate for AC Adapter Mean?

Environmental testing comes with risks. You will monitor products in extreme environments, depending on significant amounts of energy, and test over longer periods. There are instances when materials like lithium-ion batteries are inherently risky. 

The types of power adapters include IT power adapters, home appliance power adapters, and AV power adapters. One of the crucial certificates you need is an ETL certification. This blog post will dig deeper into what this certification is and 

What Is ETL Certificate? 

ETL standards for Electrical Testing Laboratories. It is an organization testing the safety of electronic components and products based on a set of rigorous standards. This corporation has been around for more than 100 years (since Thomas Edison founded it), but it now acts as a division of Intertek Testing Laboratories. 

Did you know that Intertek ETL is a nationally recognized testing laboratory? The United States OSHA also acknowledged it. 

An ETL certification is a product certification awarded to products that have been found and tested to meet specific safety standards. It’s performed by a third-party testing lab, such as UL and Intertek, which guarantees the product has been created and manufactured following industry regulations and standards. 

Note that ETL certification is typically utilized for various products, including electronic and electrical devices, lighting equipment, and appliances. Other products that might carry an ETL certification include cables, chargers, power adapters, and extension cords. 

An ETL certification is essential as it helps to guarantee the reliability and safety of products used in your homes, businesses, and other settings. ETL-certified products have been tested to guarantee they’re safe and won’t risk injury or damage to any user or surrounding environment. 

A product should undergo rigorous testing and assessment to meet the needed safety standards to acquire ETL certification. Also, that process often involves testing for electrical performance, safety, durability, and environmental impact. 

Once your product has been successfully tested and certified, it will be immediately awarded an ETL logo or mark that can be shown on the product or its packaging, indicating it has been certified. 

What Is An ETL-Certified AC Adapter?

An ETL-certified AC adapter is a power adapter that has been carefully tested and certified to meet specific safety standards. As mentioned earlier, ETL certification is a process done by a third-party testing lab. 

An ETL-certified AC adapter is produced to convert AC power from a wall outlet into a form, which appliances and electronic devices can utilize. It’s often composed of a voltage regulator, a transformer, and a rectifier. They all work together to offer the device a consistent and stable power supply.

You see, using an ETL-certified AC adapter is essential as it helps to guarantee the reliability and safety of the device being powered. An ETL certification is a strict process involving testing for electrical performance, safety, durability, and environmental impact.

Using an ETL-certified AC adapter ensures the power supply meets the needed safety standards and is 100% safe. 

Do you want to know if an AC adapter is ETL certified? You can search for the ETL logo or mark it on the adapter or packaging. Further, you can also check the packaging or label for the words ETL certified or ETL listed. You can also contact the manufacturer or the ETL-approved testing lab to confirm the certification status of the AC adapter. 

Why Is It So Important to Use an ETL-Certified Power Adapter

Remember that an ETL-certified power adapter is a device created to convert electrical power efficiently and safely from one form to another. An ETL certification is considered a third-party safety testing and certification process that guarantees that your power adapter meets specific standards for performance and safety. 

You will find numerous reasons why it’s essential to use an ETL-certified power adapter. Here are some of them:

· Compliance – In rare cases, using an ETL-certified power adapter may be needed by industry standards or the law. For instance, numerous countries have regulations requiring certified power adapters in specific settings, like schools or hospitals. 

· Reliability – ETL-certified power adapters are made to be long-lasting and reliable simultaneously. That can help lessen the risk of power failure or interruption, which can be costly and frustrating.

· Compatibility – ETL certification guarantees that a power adapter is compatible with the devices it’s intended to be used with. That could help stop damage to your devices caused by a poorly designed or incompatible power adapter. 

· Safety – ETL certification guarantees that your power adapter has been tested and meets all the safety standards for electrical products. That could help avoid injuries or incidents caused by faulty or poorly designed power adapters. 

Having an ETL-certified AC adapter means that the ones you are using have been designed and built to meet safety standards, which can lessen the risk of injuries and electrical incidents. Using one with an ETL logo also means that it has undergone rigorous testing and has been considered to be of the highest quality. 

Other countries or regions may also need the use of ETL-certified power adapters. That means using one can guarantee that your adapter complies with local regulations. Also, knowing that your power adapter has been certified by a dependable and established organization can offer you confidence and peace of mind in its reliability and safety. 

How To Check If a Power Supply That Meets the ETL Certification

Fortunately, there’s a simple way to determine if a power supply has an ETL certification. Here are some steps for you to keep in mind:

1. Search the product label or packaging for the words ETL certified or ETL listed. That only means that the power supply has been tested and certified by an ETL-approved testing lab, like UL or Intertek. 

2. Check for the product model or serial number on the packaging or label. You can then utilize that information to search online for the certification status of your product. 

3. Contact the ETL-approved testing lab or the manufacturer of the AC adapter to confirm the product’s certification status. You can often find the contact details for the manufacturer on the packaging or product label or by searching online.

4. It’s also essential to keep in mind that not all power supplies are ETL certified. Others may not meet the needed safety standards. ETL certificate will guarantee the reliability and safety of your power supply. 


Are you looking for more answers about the ETL certificate for AC adapters? Well, here it is! 

Q: How to pick a good ETL-certified power adapter? 

There are things you need to remember when selecting an ETL-certified AC adapter:

Brand – Always consider buying an AC adapter from a dependable brand. It may be tempting to go with a cheaper, unknown brand. However, it’s much safer to pick a well-known brand with a track record of providing high-quality products. 

Safety – Choose an AC adapter certified by a trusted agency like ETL. That guarantee that the AC adapter you choose meets the safety standards and has undergone strict testing.

Compatibility –Ensure the AC adapter you pick is compatible with your device. That indicates that it has the proper amperage and voltage for your device. 

Price – Choose your budget and look for an AC adapter that fits within that budget. Remember that it may be tempting to choose the cheapest option, but it’s normally safer to pick a higher-quality adapter that meets all the safety standards and has a great warranty. 

Weight and size – Also, you should consider the weight and size of the AC adapter, particularly if you’ll be traveling with it. Note that a smaller and lighter one might be more convenient to carry around. 

Q: What does it mean if I buy an AC adapter that is not ETL certified?

An ETL certification is a safety certification for electrical products. It indicates the product has been tested and meets the minimum safety standards set by OSHA and the National Electrical Code (NEC).

When an AC adapter isn’t ETL certified, it only means it hasn’t undergone that testing and might not meet those safety standards. Also, using one could be dangerous and lead to fires and electrical incidents.

We recommend that you use electrical products that have been properly tested and certified to guarantee your safety and the things or people around you. 

Q: What are the differences between ETL and UL certifications? 

UL and ETL are two organizations offering electrical certifications for products. That guarantee that the products you purchase meet safety standards and are ideal for use in various locations across the globe.

ETL (Electrical Testing Laboratories) is a certification organization testing and certifying electrical products for performance and safety. It is recognized in the US, Canada, and other countries globally.

On the other hand, UL (Underwriters Laboratories) offers electrical product certification. Like ETL, it tests and certifies products to guarantee they meet safety standards set by international and national agencies.

Did you know that UL is a popular and well-respected organization sought in many nations around the globe? 

Overall, UL and ETL certifications are highly recognized and respected in the industry. Nonetheless, the requirements and standards a product should meet to get certification may differ between the two organizations.

Thus, it’s essential to check the certain standards and requirements that a product should meet to get certification from either UL or ETL. 

Q: Are local inspectors aware of the ETL Listed Mark?

Yes. Local building inspectors may be already familiar with the ETL Listed Mark, as it’s often needed for specific types of products, like electronic or electrical equipment, to be used in construction projects. 

Nonetheless, the level of familiarity with that ETL Listed Mark may differ among various building inspectors. It’s always smart to check with your local building department to identify the approvals or certifications needed for a specific project. 

Q: Is ETL like NOM certification? 

No. ETL and NOM (Normas Oficial Mexicana) are not the same. ETL is a certification mark that indicates a product has been independently tested and meets performance and safety standards. The latter is a set of mandatory technical standards in Mexico used to regulate the operation, construction, and design of services and products in various industries. 

NOM certification is needed for products sold in Mexico to ensure they meet specific quality and safety standards. Thus, ETL and NOM certifications aren’t interchangeable and are often used for various purposes. 

Q: Where can you buy ETL AC Adapters?

If you plan to buy an ETL-certified AC adapter, you can easily try searching online retailers like eBay or Amazon. Or you can also try contacting the manufacturer of the product you’re currently using to determine if they have an ETL-certified AC adapter available for purchase.

Also, you can check with your nearest electronic stores or specialty stores selling adapters and other electrical products to determine if they carry those. It’s essential to ensure you’re buying a quality and properly certified AC adapter to guarantee your device’s reliability and safety. 

Q: What other national certifications does an AC adapter should have? 


AC adapters are electronic devices that convert AC power from a wall outlet into DC that devices like phones, laptops, and other electric equipment can use. 

The national certifications AC adapters have may differ based on the country in which it’s sold or used. Nonetheless, some of the typical national certifications that AC adapters may have are the following: 

  • Federal Communications Commission (FCC)
  • Product Safety Electrical (PSE)
  • Underwriters Laboratories (UL)
  • Conformité Européene (CE)

Prowin Power Offer ETL-Listed AC Adapters

Searching for a company that provides quality ETL-listed AC adapters? Look no further because Prowin Power has got you covered. We only carry ETL-listed adapters to ensure they meet all the safety and performance standards. 

We have been offering our customers reliable and quality products and services for years. We offer peace of mind to all our customers. It’s simply our practice. 

If you’re ready to purchase, contact our team today for further details! 

Tips for Choosing the Right LED Power Supply 2023

LED power is beginning to play an increasingly important role in lighting projects as more designers look to take advantage of its superior efficiency and long lifespan. It has been said that LED never really burns out, but its light output fades over time, making it a practical option for companies that require a long-term lighting solution. While there are various types of power supplies available on the market, it is crucial to choose the one best suited for your specific needs. This article will provide tips on selecting the suitable LED power supply for your business and ensuring that your investment pays off in the long run.

But first, let’s look at the primary purpose of LED power supply.

Why do you need LED power supply?

LED or light-emitting diodes are now commonly used in various applications, including electronic displays, automotive lighting, and general lighting. LEDs are far more energy efficient than traditional incandescent bulbs and can last for many years with little maintenance. LED lights use about 80% less energy than incandescent bulbs and can last up to 50,000 hours. Additionally, they emit very little heat and are available in various colors.

While all of these factors make LEDs an attractive option for businesses, the main reason to invest in a reliable LED power supply is to ensure that your LEDs function correctly and at their fullest potential. A quality LED power supply will provide a consistent flow of electricity to your LEDs, helping them to maintain steady light output. In contrast, a poor-quality or improperly sized power supply can prevent your LEDs from flickering or producing less light than expected. Not only is this visually unappealing, but it can also shorten the light’s lifespan.

Now that we understand the importance of choosing the right LED power supply, let’s look at the type of LED power supply and some factors to consider when selecting.

Types of LED power supplies

Let’s talk about the two main types of power supplies for LEDs – constant current (CC) and constant voltage (CV).

Constant current power supplies deliver a consistent flow of electricity to your LEDs, regardless of fluctuations in voltage. This power supply type is appropriate for projects arranging LED in series. Since CC power supplies can maintain a constant current, they use them in lighting projects that require dimming capabilities. One example is a LED sign that needs to be dimmed during the daytime so that it does not appear too bright.

Constant voltage power supplies, on the other hand, deliver a consistent voltage to your LEDs regardless of fluctuations in current. This type of power supply is for projects arranging the LEDs in parallel. CV power supplies are less commonly used than CC power supplies since they are less efficient and can cause your LEDs to flicker. They are not well suited for dimming applications either. CV is your best option for task lighting, wherein you can frequently turn the LEDs on and off.

Choosing the right LED power supply

You will find several vendors online if you’re looking for a wholesale provider of LED power supply. But to choose the best one for your needs, here are some factors to consider:

1. The type of LEDs you are using: Constant Current power supplies are typically used for LEDs arranged in series, while Constant Voltage power supplies are used for those set in parallel. Determine the specifications of your LEDs to know which type of power supply is required. A reliable LED power supply will still need to correspond to the kind of LED installed.

2. The number of LEDs you are using: Figure out how many LED lights you are using to be able to select a power supply with the appropriate wattage rating. A higher number of LEDs means higher wattage and amperage rating of the power supply. Otherwise, you run the risk of overloading the power supply, which can cause damage to your LEDs and shorten their lifespan.

3. The voltage and current requirements of your LEDs: To get the total light output of your LEDs, you need to provide them with the voltage and current required. Confirm your LEDs’ specifications so you can choose a power supply that delivers the correct voltage and current. These can be found in the datasheet for your LEDs. Once you have this information, you can start narrowing down your options for LED power supply.

4. The environment where your LEDs will be used: If your LEDs are used in an outdoor setting, choose an LED power supply that is weatherproof and rated for outdoor use. Indoor LEDs can typically use any power supply. However, it would help if you still considered the other factors on this list to ensure you’re getting the best possible output.

5. The dimming capabilities of your LEDs: If you want to dim your LEDs, pick out the LED power supply with dimming capabilities. It is typically available on CC power supplies.

6. Your budget: When selecting an LED power supply, you also need to consider your budget. Compare the features and prices of different vendors to find the best possible deal.

What to keep in mind when using an LED power supply

Once you have established the type of LED you need and choose the suitable LED power supply for your project, there are some things to keep in mind to ensure that you’re using it correctly and to get the most out of your LEDs.

1. Make sure that the polarity is correct: Incorrect polarity is one of the most common mistakes when connecting an LED power supply. Reversing the positive and negative leads can damage your LEDs and void your warranty. So, make sure you have the polarity correctly before turning on the power.

2. Use the correct cables: Another common mistake is using the wrong type of cable to connect your LED power supply. Using a thinner gauge cable than recommended can cause a voltage drop, resulting in dimmer LEDs. Heavier gauge cables are not always the best option either, as they can be more challenging to work with. Use the recommended cable type and size to get the best possible results.

3. Follow the manufacturer’s instructions: Read your LED power supply instructions before using it. Familiarize yourself with the power supply’s features and capabilities so that you can use it properly. Not following the manufacturer’s instructions can cause future problems, if not immediately.

4. Mount your power supply properly: If you’re using an external power supply, mount it safely and securely. Avoid areas that are exposed to the elements or excessive vibration, as this can shorten the lifespan of your power supply.

5. Inspect your power supply regularly: Periodically check your power supply for signs of wear or damage. If you notice anything unusual, discontinue use and contact the manufacturer for assistance.

Tips for installing LED power supply safely

The process of installing the LED power supply is not very complicated as it might seem at first. However, here are a few things you need to remember to ensure a safe installation.

1. Read and follow the instructions: The first and most important thing to do is read the instructions that come with your LED power supply.

2. Use the proper tools: Make sure you have the complete and right tools on hand before starting the installation process. It will make things go much smoother and help avoid potential damage.

3. Be careful with the wiring: Take your time and be careful when working with the wiring. Incorrectly wired connections can cause problems down the road.

4. Don’t force anything: If something doesn’t seem to fit or you’re having trouble getting it to work, don’t force it. It can damage the power supply or the LEDs. Contact the manufacturer for assistance if you’re having difficulty.

5. Inspect everything before powering on: Once you’ve completed the installation, take a few minutes to inspect everything to make sure that everything is correct and secure. Make sure that there are no loose wires or other potential hazards. Only when you’re confident that everything is safe should you power on the LED power supply.

LED Power Suppliers Today

LED power supplies have come a long way in recent years. They are now more efficient, reliable, and easier to use. When choosing an LED power supply for your project, consider the size, type, and number of LEDs you’ll use. With so many different options available on the market today, a power supply is sure to be perfect for your needs. Conduct thorough research about the LED Power supplier you wish to buy. Read reviews before purchasing to get a quality product that will work well for years.

Everything You Need to Know about AC Adapters 2023

AC adapters are widely utilized to charge or power many common electronic devices, like external hard drives, laptop computers, or mobile phones. An AC adapter changes AC power from the electrical outlet to the voltage or power that an electronic device needs to work.

Normally, every device has a corresponding adapter pre-set for proper voltage conversion. For that reason, adapters are not interchangeable. 

Remember that a power adapter comprises a controller IC, a capacitor, an inductor, a transformer, an enclosure, a PCB, and other parts.

This post will explain what an AC adapter is and how it works. If you’re ready, let’s dive in! 

What is an AC Adapter (AC DC Adapter) and What Is It Used For?

An AC DC adapter converts AC into DC, which is necessary for laptop battery power. It’s essential as most laptops can only run on DC power. When the power adapter supplies power to a certain device, you can call it a power brick, wall wart, and charger adapter. 

You can plug many AC to DC power adapters into a wall socket, but you can also plug it into an AC power strip or surge protector. It also has a cord that plugs into the DC power output port. The adapter then converts the AC into DC and supplies it to the laptop via the cord.

On top of that, others have a power cord that you can plug in from the adapter. Some have a cord that doesn’t allow you to unplug from the adapter.

You see, there are numerous plug types designed for various electrical devices. A particular type of power adapter also accompanies every type of plug. 

Are AC and DC Adapters the Same?

When buying a power adapter for all your electrical devices, you will find two types: AD and DC adapters. They may look identical and have similar-looking outputs and inputs, but their functions are different. 

What is an AC power supply? 

AC power is the standard electricity format coming out from outlets. It comes from the waveform the current takes. As the electronics in an AC wave move more, they could move positively, corresponding to the upward part of the sinusoidal wave made by the current. The wave drops down when the electrons have a negative flow. 

Such waves come from the alternators at electrical power plants producing AC power. There’s a wire loop that spins inside a magnetic field inside an alternator. The spinning produces the waves of AC when the wire moves into areas of various magnetic polarities. 

For example, the current changes its direction whenever the wire pins from the north to south pole areas of the magnetic field. The waves produced in the alternator are important for AC power’s use. 

What is a DC power supply?

DC power utilizes electrons moving into a straight line. In contrast to AC’s wave motion, that linear movement offers this current its name. that form of current comes from alternators, fuel cells, solar cells, and batteries equipped with commutators that produce direct energy and rectifiers converting from AC to DC power. 

DC power is consistent in the voltage delivered; thus, many electronics need this power type. That is why electronic devices have DC power sources through batteries. Also, power supplies often have rectifiers designed along with transformers to boost or lower the voltage to the necessary level. 

Constant voltage for other devices is superior, like notebook computers. You require an AC-DC power converter for those devices, especially if you like to run those electronics from an outlet. DC for electronics is the choice, as the highs and lows of AC can damage the sensitive components inside electronic devices. 

AC and DC adapters are rated using the same units and terminology. Nonetheless, due to its constantly-reversing electrical current, AC electricity could damage other electrical circuits made for DC electricity.

Is there a difference? 

DC electricity will cause extra heat in some electrical parts, like transformers. It causes them to be destroyed and damaged. 

Since damage can happen if an incorrect adapter is plugged into an electronic device, it’s crucial to tell the key differences between the two. For instance, an AC adapter will list the electrical and voltage current settings it’s converting from. The voltage the AC adapter converts must show below the “from” voltage. 

AC voltage may be represented by a line that looks like a tilde. A good example of this would be 125 V ~ 1.5 A, 60 Hz. 

On the other hand, a DC adaptor will have the electrical current and voltage settings it is converting from listed first. Still, the voltage that a DC adapter converts to will be listed as DC or have a symbol with a dashed line below a solid line. 

What’s vital to note is the difference between DC and AC power transmissions. The power source and its supply are quite diverse—the source comes from the transmission lines. It feeds electricity straight into the device or via a power supply, which converts it into voltage or another form. 

When comparing AC and DC power sources, always consider whether the electricity comes from an outlet or a battery. Many outlets supply AC power, while batteries are a typical DC power source. 

How Do You Determine if a Power Supply is DC or AC? 

Are you wondering how to tell if a power supply is DC or AC? It’s important to know the differences between these two and be cautious of the device itself. 

One way to know if you have an AC-DC or a DC-DC power supply model is to check the device itself. Sometimes, the output and input information will show someplace on the surface. 

You have an AC-DC power supply if the input is AC. However, you have a DC-DC model if the input and output are both DC. 

You already understand that AC power sources include outlets. But that information becomes meaningless if you’ve decided about a ship or on a plane. How do those components get power? An engine battery or onboard generator could produce the electricity required.

If you are not confident of a device’s power source, contact Prowin Power. Our specialists will walk you through determining the type of power supply you need. 

On top of that, your power supplies are as essential as what you power. To safeguard your electrical devices from damage, give them the power supplies to produce the ideal voltage and current type the device needs without exceeding your budget constraints. 

If you have concerns or need AC or DC power supplies, Prowin Power can help. 

Types of AC DC Adapter

There are different AC adapter types based on their classification. You will find different types of AC DC adapters based on categories. 

  • Application: CCTV power adapter, laptop power adapter, LED power supply, telecommunication power adapter, medical power adapter, ITE power adapter, industrial power supply
  • Output Voltage: 5V ac adapter, 6V ac adapter, 9V ac adapter, 12V ac adapter, 15V ac adapter, 24V ac adapter, 36V ac adapter, 48V ac adapter.
  • Appearance: Wall-mounted power adapter, desktop power adapter, iron case ac adapter.

There’s also a classification based on the plug type. Various nations in the world utilize different wall socket designs. For instance, British plugs have three conducting pins, while Australian plugs have a 3-blade design. 

In America, they utilize a 2-blade arrangement, which you should often get when changing your AC adapter. If you’re a recurrent international traveler, we recommend getting a plug adapter that fits the wall socket design of your destination country. 

How To Plug in An AC DC Adapter?

Remember that an AC power adapter enables you to plug a device into a standard wall outlet. It converts the alternating current from the outlet into the direct current that your laptop or device needs. You can prevent using rechargeable batteries to power a device.

Moreover, a power supply plug adapter is an excellent way to keep all your devices powered up and good to go without running out of battery power.

The best part here is you can save a significant amount of money by preventing the purchase of new batteries constantly. 

Do not use faulty power outlets that aren’t protected with a circuit breaker. In that case, when a high voltage flows, it will go directly to your AC adapter, which may burn or even damage your device. 

Are you searching for an AC DC power supply adapter for your office works or home? Feel free to check Prowin Power’s assortment of AC DC power adapters near me. We provide various choices to meet your requirements and have a qualified customer service team to help you. 

How To Confirm If I Need an AC Adapter or Not?

As your laptop ages, it is common to experience fickle AC adapters. Over time, connectors and plugs begin showing quirks. You have seen cords held in a specific way to keep a connection. You have also seen those that stop charging the battery altogether. A few of those issues are DIY fixes. Often, the better alternative is just purchasing a new adapter. 

From there, you can purchase a replacement from your system’s supplier. Or you can always go with a third-party solution. With a new AC adapter replacement, you know what you are getting. However, a third-party’s solution might have more features.

It is a tough call. Before going to the third-party route, understand that using non-factory equipment could void your unit’s warranty. 

Your warranty stays intact as long as the third-party AC adapter supports the appropriate output, input voltage, and power specifications. If the charger does not match the original adapter’s specifications, damage happens, and the company might not honor your warranty. The reasoning here is sensible. It would 

How to Pick the Proper AC Power Supply Adapter?

When choosing an AC DC power adapter, you must learn the specifications of the AC power adapter. You can find the parameters on the power adapter’s label. You can also check the device’s manual for further details about your AC adapter’s electrical rating. 

Pick the proper power adapter specifications 

The rule is to match Voltage(Volt) and be equal to or greater than current(Amp). If you pick an AC adapter, ensure to check the following:

– AC to DC. As indicated by the symbol of a straight line above and three small lines beneath

– V = 19 Voltage

– mAh/A–0.94A


You need to know the amperage and voltage requirements. You can also find this data on the sticker on the laptop’s bottom part. You may try searching in the device’s manual if you can’t find it there.

Having that information will enable you to purchase an AC adapter. Ensure you get one particularly designed for your model and make. Get an adapter with the proper amperage and voltage rating, as it could ruin your device if it doesn’t.

 If you are uncertain which AC adapter to purchase, consult A Prowin Power for help. We are your professional power adapter manufacturer in China. 


Understand the brand and model of your device. For instance, a sticker on the device’s bottom will display that information. Try to look in your device’s manual if you can’t find it. 

Choose the ideal AC wall plugs and cords 

The International Electro-Technical Commission has a guide for AC wall plugs, normally categorizing pins with individual names. You need to consider two factors when choosing AC wall plugs:

– Would you use the power supply in any region or country? 

– You need a 2-wire or 3-wire connection for the application. Most nations’ plug-and-socket combinations, frequencies, and voltages are clearly defined. 

It will help if you pick a 3-wire AC wall plug. A ground wire will enhance the safety of electricity use and prevent you from getting an electric shock when using office electronic equipment and home appliances. 

Connector polarity 

You’ll find two types of connector polarity: center negative and center positive. The tip’s polarity is positive for the latter, while the ring has a negative polarity. Remember that a center negative connector has a similar opposite arrangement, while a negative tip has a positive ring.

Look for an AC adapter with a suitable connector for your electronic device. Your input power port and the adapter connector should fit. 

In other words, your AC adapter is compatible with your electronic device if:

  • the adapter connector fits the input power port
  • the adapter’s output current is equivalent to or greater than your device’s input current 
  • they have the same polarity
  • they have the same voltage 

What happens if you choose the wrong AC to DC Power Supply?

The adapter interface matches the device if the connector is too broad. Nonetheless, it won’t fit inside the device’s power port. It will produce a loose fit and fall off during use if it’s too narrow. 

If the voltage is too high, your AC adapter will be much hotter than normal. It will shorten the service life of your device or cause direct damage. 

The power adapter’s output current is too big if the voltage is correct. Selecting an adapter with a bigger current won’t harm your battery but will make the charging faster and less calorific. 

If your power adapter’s output current is too small, your device may not drive the equipment to run normally. Also, the power supply load will be higher than normal, the head generation will increase, and the reliability will be deducted. 

Tips Before Using an AC Power Adapter

Do you want to use an AC power adapter? Then it will help if you remember the following tips: 

Check the voltage 

Every time you use an AC power adapter, you must ensure the voltage rating is compatible with your device. You can damage your device with excessively low or high voltage. Use the adapter that came along with your device or one designed for that device. 

Check the adapter 

Check whether the AC DC switching adapter has been damaged if it is not working. It will help if you replace your adapters when there’s obvious damage, like a frayed cord or cracked housing.

If there’s no visible damage, try to plug the adapter into another outlet to know if it fixes the issue. 

AC power adapter polarity 

In AC adapters, polarity refers to the current flow’s direction. The negative and positive poles of the adapter should be connected to the proper terminals on the device for it to work correctly. 

If the AC power adapter polarity is reversed, your adapter won’t work. 


The role of an AC power adapter is mainly that of a rectifier and transformer. As long as you’re traveling, the adapter portion of the converter guarantees your plug fits a different wall outlet.

It’s about time you get durable power supplies to endure even the most extreme conditions. Whether you need DC-DC units to alter voltage without changing the current type or AC-DC power supplies that convert electricity, you can find them on our website. Feel free to browse our options to find the perfect devices for your needs.

While we provide a broad spectrum of power supplies, you have specific needs that need a particular option. Don’t hesitate to contact us if you can’t find the ideal power supplies in our catalog. 

Top 11 Air Purifier Supplier in Korea 

Are you looking for fresh, clean air? Then you’ve come to the right place! Korea is renowned for having some of the best air purifier suppliers in the world. With pollution levels on the rise and the COVID-19 pandemic underway, ensuring that your air is clean and safe has never been more critical. That’s why we’ve concluded a list of the top 11 air purifier suppliers in Korea. Each supplier offers something unique, so you’re sure to find something that meets your needs.


Coway is one of the leading air purifier suppliers in Korea and around the world. Founded in 1989, Coway has been offering cutting-edge air purification systems for more than 30 years. Their products use state-of-the-art filtration systems to remove pollutants from your home’s air, while their patented Coway Care technology helps maintain optimal air quality. Coway has the right product for any size home or business from small-scale air purifiers to large-scale industrial systems.

Key Product:

  • General Air Purifgeneral air purifier
  • Humidifying/dehumidifying purifier


AirShot is a leading supplier of air purifiers, air cleaners, and air conditioners in Korea. Based in Seoul, the company provides quality products at competitive prices and offers excellent customer service. They have a wide selection of air purifiers and air cleaners for both residential and commercial use. Additionally, they specialize in producing environmentally friendly and energy efficient products.

The company commits to providing reliable, efficient, and cost-effective products. Their team of experienced professionals is always available to answer any questions about their products and services. They also offer a variety of payment options, including credit cards and PayPal, for your convenience.

In addition to providing excellent customer service, AirShot also prides itself on its commitment to the environment. All their products are made from eco-friendly materials and are free from harmful chemicals or toxins. They also strive to reduce their carbon footprint by utilizing sustainable practices in their production process.

Key Product:

  • Air Purifier

Woongbee Co., Ltd.

At Woongbee Co., Ltd., they strive to provide the best products on the market, using innovative technology and research to develop new air purifiers. Their products are tailored to fit any home or office environment and provide superior filtration and air purification. All of their air purifiers have passed safety and performance tests, ensuring that customers feel confident in the products they purchase.

The company’s mission is to provide the best possible indoor air quality. To achieve this, their team of experts uses the latest technology to create the highest-quality air purifiers. From HEPA to ionic filters, Woongbee Co., Ltd. offers a wide range of air purifiers that suit any budget or lifestyle.

Woongbee Co., Ltd. also provides excellent customer service. Their friendly and knowledgeable staff is always happy to help customers with their products or services. Additionally, they offer free shipping on all orders over $50 and a satisfaction guarantee on all their products.

Key Product:

  • Air Purifier


Puro is one of the leading air purifier suppliers in Korea. Founded in 2010, the company has become a trusted provider of air purification solutions for households and businesses. From air filters to air cleaners, Puro offers a comprehensive range of products designed to meet the needs of any customer. All products are created with high-quality materials and advanced technologies to provide clean air that is safe and healthy. The company also offers professional installation and repair services and regular maintenance services. With its excellent customer service, Puro provides an unparalleled experience in air purification that is both reliable and affordable. Puro has got you covered whether you need an air purifier to keep your home or business clean and healthy or help to choose the right system for your needs!

Key Product:

  • Puroheatex
  • Puroslim large-capacity air purifier

LG Electronics

LG Electronics is one of the leading air purifier suppliers in Korea. For over 40 years, LG has been dedicated to creating advanced technology and products that make life easier and more comfortable.

Their air purifiers use patented technologies to filter out pollutants such as pollen, smoke, dust, and pet dander. They also feature an advanced air quality monitoring system that provides real-time air quality information to help you make informed decisions about the air in your home. The air purifiers also come with a convenient remote control, allowing you to adjust the settings from the comfort of your sofa.

LG’s air purifiers are designed to be energy efficient, using up to 33% less energy than other air purifiers. They come with various fan speeds, so you can customize the level of filtration for your needs. With their quiet operation, these air purifiers won’t disrupt your daily activities.

Key Product:

  • LG PuriCare Mini Air Purifier
  • Air Cleaner


Samsung is one of the leading companies in Korea. With their cutting-edge technology, they offer a range of air purifiers that are both effective and energy-efficient. Their air cleaners are designed to capture and remove harmful pollutants from the air, leaving you with a cleaner, healthier living environment.

Their line of air purifiers features an impressive array of features, including a triple filtration system to remove allergens, dust, pollen, and other airborne particles. The pre-filter helps trap larger particles before they reach the main filter. This then passes through an activated carbon filter to absorb odors and gases from the air. Finally, the HEPA filter removes fine particles up to 0.3 microns in size. All of these features combined make Samsung’s air purifier among the most efficient on the market.

Samsung’s air purifier also comes with a range of convenience features, such as an auto-clean mode and a timer setting that allows you to set the air cleaner to turn off after using a period of time. It also has a low noise mode for more peaceful operation.

Key Product:

  • Windless Cube
  • Blue Sky
  • Pet Care Air Purifier
  • Dehumidifier


Cuckoo is one of the leading air purifier suppliers in Korea. They offer a wide variety of products that can help you breathe easier and protect your health. Their purifiers come in a variety of shapes, sizes, and features to fit any home or office space. They also have both HEPA and non-HEPA filters available to ensure optimal air quality. Cuckoo’s air purifiers are known for their high quality and efficiency, helping reduce allergens and airborne pollutants from the air. They also offer an extensive warranty on all their products, providing peace of mind for their customers. Whether you’re looking for an affordable solution or a top-of-the-line purifier, Cuckoo has the perfect option for you. Check out their website to learn more about the different models they offer and find the best air purifier to meet your needs.

Key Product:

  • Air purifier
  • Air purifier dehumidifier
  • Humidifier 


Winix is the top air purifier supplier in the country. Winix provides top-of-the-line air purifiers that are designed to keep your home environment clean and healthy. Their products use advanced filtration technology to remove dust, pollen, smoke, and other airborne particles from your air. Not only do their products provide superior air filtration, but they also come with a range of features, including customizable settings, noise control, and an energy-saving mode. Winix is dedicated to providing the best air purifiers on the market, so you can ensure that you are getting a quality product when you buy from them. If you’re looking for an air purifier supplier in Korea, make sure to check out Winix today!

Key Product:

  • Air Purifier
  • Air Purifier Filter
  • Dehumidifier
  • Dehumidifier Consumables
  • Humidifier
  • Humidifier Consumables
  • Air Purifier Filter

Chungho Co. Ltd

Chungho Co., Ltd. is one of the top 11 air purifier suppliers in Korea! With over 20 years of experience, they have been providing customers with top-of-the-line air purifiers at competitive prices.

Chungho’s products are designed to help improve the air quality in any home or office space. They offer a wide range of air purifiers, including standard models, advanced models with additional features, and portable options. No matter what your needs may be, you can count on Chungho to provide you with a reliable and effective air purifier that is perfect for them.

In addition to its great selection of air purifiers, Chungho also offers a variety of helpful services. Their expert technicians can install and service any of their products, and they also offer free delivery within certain areas. Plus, If you have any questions or need help making a purchase, their experienced staff are always happy to help.

Key Product:

  • Dehumidifying Air Purifier
  • Humidifying Air Purifier
  • Air Cleaner
  • Self-Care Purifier
  • Air Sterilizer


Electrolux has been in the industry since 1902 and has established a strong reputation for providing quality air purifiers that have been designed to fit into any space. With more than 100 years of experience, the company is confident in its product range and the results it can provide.

Electrolux’s air purifiers come with several features, including built-in filters to remove dust, smoke, pet dander, and other airborne particles. They also have adjustable fan speeds and timers, so you can customize the performance according to your needs. Additionally, they come with intuitive touchscreen displays and indicators to help you monitor the air quality in your home or office.

When it comes to cleaning your air, Electrolux understands the importance of being able to do it quickly and easily. That’s why their air purifiers come with powerful motor technology that can quickly clean your air and make it healthier for you and your family.

Key Product:

  • Air purifiers

SK Magic

SK Magic has been breaking new ground in the South Korean home appliance industry since 1985. Pushed by the research and cutting-edge technologies of SK Group, SK Magic’s products carry the most recent technological developments to make our lives better. SK Magic is one of the top 11 air purifier suppliers in Korea. It has been providing quality air purification services since 2018. SK Magic also offers additional services like filter cleaning and replacement, so you can keep your air purifier running optimally. With their easy installation, maintenance, and repair services, you can rest assured that your air purifier is in good hands.

Key Product:

  •   Air purifiers
  •   Water purifiers


When it comes to air purifiers, Korea is known for their quality and reliability. In fact, many of the top 11 air purifier suppliers in Korea are well-known names that have become the go-to choices for air purification solutions. Prowin Power is one such supplier that provides high-quality power adapters and power boards for air purifiers in Korea. Prowin Power offers a wide selection of power supplies for air purifiers. Our products include power adapters, power boards, switch mode power supplies, and many more. Additionally, we provide quick delivery and support services, which makes it easy to get the products you need quickly and without hassle. For more information on the products we offer, visit our website.

Why Does My AC Adapter Not Work with the Laptop?

Do you need to power up your laptop? Maybe it’s time to check your AC adapter. Remember that the adapter plugs into the wall current at one end of the computer at the other—in between is a covered box converting 100 to 240 volts of alternating current to approximately 15 to 20 volts of direct current.

If your adapter and cords are working correctly, the computer will receive enough power, and its battery will not recharge. Fortunately, you can easily buy a replacement adapter from manufacturers or third-party sources. 

What is an AC Adapter?

Known as an AC adapter, AC converter, or charger, an AC adapter is an external power supply utilized with devices running on battery or doesn’t have a power source.

AC adapters help lessen a laptop computer’s size by eliminating the need for a standard-sized power supply. It comprises a central unit drawing power from an AC outlet. Then, it converts power to DC, which the computer uses, and the second cord plugs into it.

Every AC adapter has a particular power rating, measured in watts or volts that it can handle and output to an electronic device. The type of plug and power rating isn’t universal. Thus, you can only use the AC adapter with devices with the same connector and requirements.

You can use a universal AC adapter designed to work with numerous devices of different sizes and types of plugs for connecting to such devices. Further, a universal AC adapter may have a wattage or voltage range, such as 70 watts to 125 or 100 volts to 240 volts. That enables a higher range of compatible devices. 

What’s the Function of an AC Adapter? 

AC adapters convert the 120-volt AC power from the wall outlet to a smaller DC power for your electronic device. They achieve that in two steps: scaling the voltage and converting the AC to DC. 


Did you know that your AC adapter scales the 120 volts from your wall down to a voltage in an area of 6-18 volts via a small transformer? Often, a transfer includes two coils of wires scattered around an iron core. 

The ratio of the coil number that turns into one wire to the other is equivalent to the ratio of the voltages in the two wires.


Once converting the power to the desired level of voltage, the adapter converts the AC to DC with a rectifier. It uses a combination of diodes to make constant DC power from alternating AC power. 

What Are the Possible Reasons for an AC Adapter to Fail?

Keep in mind that all things electronic have a limited life. They will fail eventually. They may get dirty power that stresses the components. They also heat up and cool down every time you use them, not to mention internal components may rust. With luck, your AC adapter will not reach its final moment of mortality before the laptop retires. 

More reasons why your AC adapter fails include:

  • The removable plug could break, or the cable could become shorted out or cut. Do not try to use the electrical device with apparent damage. That’s especially true on the AC side of your adapter. It’s easier to buy a replacement cable than to replace your entire house and belongings if you do something silly and burn it down. 
  • The connection between the wall socket and the converter might need to be fixed.
  • The cable from the converter to your laptop could come from the device itself. That’s one simple. You can easily reattach the plug. 
  • The converted in the sealed box could be fried from a power surface from your AC line. 

How Can you Troubleshoot Your AC Adapter Problems?

Are you experiencing an issue where your laptop’s AC adapter is not working correctly? You can do several things before planning on buying a new adapter. This section covers the best troubleshooting tips you can do.

Update the BIOS 

The BIOS is firmware embedded into your laptop’s motherboard. Updating it to the newest version will help the device recognize the AC adapter properly. 

Remember that laptops should have their battery installed and connected to the AC adapter before updating the BIOS. Also, other laptops should have at least a ten percent battery before you start the update. 

If your battery is less than ten percent, you can force the BIOS to update from the DOS environment. But a failure during that process will cause permanent damage to the computer’s system board. Always proceed with your own risk. 

Run an ePSA hardware diagnostic test 

Did you know that running a hardware diagnostic test could help determine the problem and offer you troubleshooting steps to fix the problem? A pre-boot assessment checks if the system board acknowledges your AC adapter properly. 

Here are the steps you should take:

  • Turn off your computer. 
  • Tap F12 a few times until you notice the One Time Boot Menu.
  • Use the arrow keys to click Diagnostics and press Enter
  • Follow the proper on-screen instructions to finish the diagnostic test.
  • If there is an error, ensure you note the error and validation codes. Call your laptop technical support to understand more about the repair options available in your area.
  • If the diagnostic test passes, it indicates there are no hardware problems. 

Confirm the wattage of your AC adapter 

Using an AC adapter with a lower wattage might cause one of the following problems: 

  • The AC adapter heating up
  • The laptop battery doesn’t charge or charges slowly 
  • The laptop may minimize the CPU speed to save power
  • The laptop may present an error message, like “Unknown or incorrect AC adapter detected” or “The AC adapter can’t be determined. It will prevent optimal computer performance.” 

Every laptop uses an AC adapter of different wattages. That could depend on your laptop’s hardware configuration. Also, laptops come with 240 watts, 180 watts, 130 watts, 90 watts, 65 watts, and 45 watts AC adapters.

For optimal performance, you should use the original AC adapter that comes with your unit. You can find the wattage information of your AC adapter on the label located at the bottom of your AC adapter. 

To confirm if your laptop recognizes its AC adapter properly, do the following:

  • Restart your computer
  • When the logo appears, hit the F2 key until the message Entering Setup shows.
  • Confirm the AC adapter type in your BIOS options. You can find the information on your AC adapter on the BIOS’s main screen. If your AC adapter type is NONE, confirm that it’s linked to the computer, the correct AC adapter is linked to the laptop, and the LED light indicator on the AC adapter is ON.
  • If the AC adapter type is Unknown, you can try using another AC adapter. If the problem persists or the same AC adapter is working on another laptop, it’s time to call your technical support team. 

Check the LED indicator on your AC adapter 

Make sure you reset the AC adapter by following the following steps:

  • Unplug the AC adapter from your wall outlet for about fifteen seconds.
  • Unplug your AC adapter from your computer.
  • Plug the adapter into a good-known wall outlet.
  • Plug the adapter into your device.
  • Check the LED indicator on your AC adapter.

You can find the LED indicator either on the adapter (DC) plug or the AC adapter brick. If the LED indicator on your AC adapter turns on, continue to the next step. 

However, if your AC adapter’s LED indicator is off or turns off when it’s connected to the laptop, contact a technical support team to understand more about the repair options available in your area.

Disconnect and reconnect the AC adapter and power cable

Here’s what you need to do:

  • Unplug your AC adapter from the wall outlet.
  • Unplug the adapter from your computer.
  • Disengage the power cable from your AC adapter. 
  • Firmly connect your power cable to the AC adapter.
  • Confirm if the LED on your AC adapter is on. If the LED isn’t turning on, try a compatible AC adapter.

If applicable, connect to the proper USB-C power port 

Did you know that USB-C is a standard cross-platform connector for charging, transferring data, and connecting devices? Pick laptops that use a USB-C port to power and charge your device. 

Make sure you connect the USB-C charger to the proper USB-C port that supports charging, particularly on a laptop with more than one USB-C port. 

Drain the remaining power 

If you want to drain the residual power of your laptop, here’s what you must do:

  • Unplug your AC adapter from the wall outlet. 
  • Separate any devices connected to the laptop.
  • Remove the laptop’s battery. Check the user manual of your laptop for further instructions on how to detach the battery. If your unit has a non-removable battery, you can skip this section. 
  • Press and hold its power button for about thirty seconds to drain the remaining power from your device.
  • Connect the battery.
  • Plug your AC adapter into the laptop and wall outlet.
  • Turn on your laptop. 

Once you drain the residual power, but your laptop still doesn’t turn on with your AC adapter, you can proceed to the next step. 

Check if the wall outlet is properly working 

  • Unplug the AC adapter from your wall outlet.
  • Connect another device to your wall outlet to confirm if your wall outlet is properly working.
  • Connect your AC adapter to a good wall outlet.
  • Plug the AC adapter into your wall socket. You can bypass power regulators, such as power splitters, UPS, or surge protectors. Doing so will help isolate problems with the power regulators.

Is your AC adapter connected to a docking station? Connect the AC adapter straight to your device to confirm if the AC adapter is properly working. 

But what if the AC adapter works fine after your bypass the docking station or power regulator? The problem can be with that specific device. Go to the next step if your AC adapter doesn’t turn on.

Check your cables, AC adapter, and the DC-in port on your laptop for potential damages

The power cable and AC adapter cable can get cut or frayed. The wires may also become uncovered at either end of the cable. That may occur because of how the cable is wrapped around your AC adapter or when the cable is subject to constant stress.

Is the damage severe enough to expose the wires? Immediately stop using the AC adapter. Here’s what you can do to check the cables, AC adapter, and adapter port for potential damages:

  • Unplug the AC adapter from your wall outlet.
  • Detach the AC adapter from your laptop.
  • Check the cables and AC adapter for any signs of overheating or physical damage.
  • Check if the pin inside the adapter port or plug is damaged, broken, or bent. 

Consider Replacing Your AC Adapter? 

Do you determine that your AC adapter is not working? Do you need it to replace? You can get a replacement from your laptop manufacturer.

Make sure you buy a universal AC adapter from a trusted local or online electronics retailer. One brand to consider is Prowin Power, a quality AC adapter manufacturer, and it is a popular choice.

We make numerous universal AC adapters for most laptop models and brands. Ensure you buy one that matches the specifications of your current AC adapter, including the amperage and the voltage. On top of that, check the packaging to ensure it works for your laptop model and brand. 

If you need help with your AC adapter, contact us now. We are your one-stop power solution supplier. Reach out to get started!

Energy Star DoE Level VI on A Power Supply

External power supplies sold in the United States should meet updated and expanded US Department of Energy Level VI Energy Efficiency requirements by February 2016. 

Energy Star is still a voluntary process, but the DoE Level VI, energy efficiency regulations, is a mandatory requirement in the United States for external power supplies.

This post will dig deeper into Energy Star IV’s importance, benefits, and everything. If you’re ready, let’s dive in! 

What Is Energy Star VI?

You have seen the logo somewhere, that omnipresent white star on a blue background: on your fridge, a furnace, perhaps on the corner of the box holding your new TV. You probably saw it on your monitor while your computer was booting up.

But what’s Energy Star, actually, particularly Energy Star VI? 

In case you didn’t know yet, the Energy Star program was originally established in the United States by the Environmental Protection Agency and the Department of Energy. Introduced in 1992, the voluntary standard aims to promote and encourage energy-efficient goods to lessen energy consumption and the production of greenhouse gases.

Since then, the program has expanded to Canada, the European Union, and a few other nations. 

Various nations enacted more strict requirements and shifted from voluntary to mandatory programs. Thus, the Energy Star program determined the International Efficiency Marking Protocol to lessen confusion between countries and their similar standards.

The determined markings set minimum average efficiency and maximum no-load power consumption levels for external supplies:

  • Level I – The power supply doesn’t meet any of the standards determined.
  • Level II – The power supply met the minimum efficiencies needed by China in November 2005.
  • Level III – Power supply meets the Energy Star Tier, CEC Tier 1, and the Australian MEPS standards.
  • Level IV – Power supply meets CEC Tier 2, EISA 2006, and the Australian MEPS High-Efficiency category.
  • Level V – Power supply meets EU phase 2 and CEC Tier 3 standards.
  • Level VI – Power supplies meet DoE new standards effective in the United States on February 10, 2016. 

Remember that the new DoE Level VI efficiency standard orders that No-Load power consumption exceeds 0.100 W for EPS range from <1 watt to ≤49 watts. It should not exceed 0.201 watts for EPS >49 to ≤250 watts.

It increases the mandatory average efficiency by at least one percent and has set standards for EPS and power ratings of more than 250 watts for the first time.

Also, the new regulations extend their scope. It now covers lower voltage DC-output EPS, multiple-output voltage EPS, and EPS with nameplate output power ratings exceeding 250 watts. The compliance data for the standards is February 10, 2016. 

How Will It Affect the Power Supply?

Tens of thousands of items receive the Energy Star rating, including air conditioners, kitchen appliances, computer equipment, TVs, furnaces, lightbulbs, and even entire homes. The specifications for the Energy Star standard differ for every product type. However, most ES-certified products utilize 20-30% less energy than comparable products without loss in performance.

The efficiency of most appliances has increased thanks to the international push to create new energy-powered items that are less power-hungry than their predecessors. For instance, modern clothes washers consume sixty-eight percent less energy than those manufactured and built in 1900. 

Purchasing products certified by the Energy Star program is a good way to cut gas and electricity bills. Are you planning on changing your home’s water heater, TV, freezer, washer, or just about any gas or electricity-consuming appliance? Always look for the star.  

It will save you money and convey to manufacturers that energy efficiency is an essential quality in any goods.

The Benefits of Using an Energy Star VI Certified Power Supply

The original Energy Star system focuses on minimizing the carbon footprint of office equipment, but it now covers everything from office buildings to kitchen appliances. But what does Energy Star VI mean for consumers? We will cover that in detail to explain how Energy Star lessens operating expenses and environmental effects for business and home users.

Improved sustainability

 One of the substantial benefits of Energy Star is Level VI is sustainability, which applies to users in many ways. Of course, the main boost comes from lower energy use, which mitigates your household, office, and personal carbon footprint.

The more you focus your shopping on Energy Star Level VI certification, the more you can lessen your total carbon footprint over time.

For 2018, while saving billions of dollars, Energy Star items also helped reduce associated emissions. That includes, among other products, 330 million metric tons of greenhouse gases, 23,000 short tons of fine particulate matter, and 220,000 short tons of sulfur dioxide. 

In other words, the initiative Star substantially lessens the strain on both consumers’ wallets and the environment. 

Lower operating costs 

The benefits of Energy Star are simple to see on your monthly bill. When your PC consumes less energy, you will notice cost savings thanks to lowered energy bills, unlike your previous setup.

That makes the Energy Star Level VI certification an excellent way to guide buying habits. Also, such products are not simply made to save energy but because manufacturers designed them to perform. Whether you are buying a new device or a new home, chances are you will have a set budget for the purchase itself. However, if you buy Energy Star-certified hardware, you know you will continue to save down the line. 

In 2018 alone, Energy Star and its partners helped Americans save $35 billion in energy costs! Can you believe it? Cumulative gains are even more surprising as you consume less energy and see that small utility bill. 

More reasons why organizations and consumers should buy Energy Star products include:

  • Save time – The Energy Star symbol is a shortcut to getting the top energy performers when shopping for items.
  • Save energy – Items certified by Energy Star are normally in the top 15 to 30% of their class for energy performance.
  • Save Money – Using high-efficiency Energy Star products reduces energy consumption and lowers power bills.
  • Testing and certification assurance – Goods certified by Energy Star have their energy usage claims confirmed and meet rigorous efficiency standards. Also, appliances and products are certified by an independent party. 
  • Restoring the environment – Using an Energy Star-certified product enables consumers to lessen the amount of energy they use and, thus, the number of greenhouse gases emitted to the atmosphere. 
  • High-quality assurance – Energy Star certification guarantees the items consumers get perform well or better than standard products without sacrificing performance. 

How to Find a Power Supply That Meets the Energy Star VI Certification

One of the most central pointers of a power supply’s efficiency is whether it complies with the Energy Star Vi certification.

Energy Star goods are the same or better than your average products and only use less energy. To meet Energy Star VI standards, a product should meet rigorous energy efficiency criteria by the US Environmental Protection Agency. 

Since they consume less energy, those products save you money on your electrical bills and help safeguard the environment by causing fewer toxic emissions from power plants. Also, you get the features and quality you deserve. 

However, you must remember that the Energy Star label is unavailable on any item. A manufacturer must earn it by meeting rigorous requirements.

A product with an Energy Star Level VI certification performs as well as other products but consumes less energy. 

Below is a brief rundown of the key specifications:

  • The energy performance and usage are measurable and verifiable.
  • The energy efficiency capabilities for a product category must come from sources that are not proprietary and limited to a single manufacturer.
  • The energy savings from the product should be nationwide. 

Nonetheless, the power supply or any product cannot sacrifice performance for energy efficiency. A product should consume less energy to earn the Energy Star label while offering the same functionality, features, and comfort as other products. 

Suppose an Energy Star product costs significantly more than a non-Energy Star option. In that case, the product should save the consumer enough in cutting energy use to make up the difference. 

Also, a consumer should recoup the cost in a reasonable time. Prawin Power commits itself to help our customers find the best power supply with the Energy Star label. We help our customers become better informed about their choices and ways to use energy more efficiently. 


Choosing the perfect power supply for your appliances and devices must entail more than just finding the highest number of watts for the lowest price. You also need to consider form factor, amperage, protection, cables you will need, efficiency, and any other features you’re seeking.

Keep in mind that a good power supply could last for many years and have a massive impact on the efficiency of your appliances, so take the time to pick wisely. Your appliances and devices will thank you for it! The power supply with DoE VI standard is available in Prowin Power, and we also exported them to US Market. Feel free to contact us for more details.

How To Choose the Right GaN Charger Supplier

Throughout the years, the fast development and capabilities of modern mobile devices have substantially raised the functionality and performance of smart devices. With that comes an increase in the power requirements such devices need to perform their functions.

That has spurred suppliers and manufacturers to create even better battery technology. And with that, charging technology has transformed as well. GaN chargers are the newest type of charger invented in previous years.

Such chargers are more powerful, more efficient, and smarter. Keep understanding to learn more about how to find the best GaN charger supplier now! 

What Is a GaN Charger and Why Do You Need One

In case you didn’t know yet, gallium nitride is a semiconductor material that rose to fame in the 1900s by manufacturing LEDs. They were able to use to produce the first white LEDs, full-color LED displays, and blue lasers that you can see in daylight. GaN generates blue light reading the data from the DVD in Blu-Ray DVD players. 

You see, GaN chargers are way more efficient at what they do and produce less heat, not to mention fewer parts are required. That only indicates that GaN chargers usually are smaller than their stock counterparts.

From a scientific point of view, all semiconductors have a bandgap. A bandgap is an energy range where no electrons could exist, related to how well a material can conduct electricity. 

A GaN’s bandgap is often 3.4eV, which is more wide-ranging than a silicon’s band gap of 1.2eV. That wider bandgap indicates that GaN can not just provide higher efficiency in energy transfer, but it can also keep higher voltages and heat than silicon. 

Remember that gallium nitride is a semiconductor material which many benefits over silicon. You can use them to create smaller transistors and, therefore, smaller chips. GaN can deal with higher power levels and charges faster than silicon. 

That only indicates it is ideal for applications such as fast-charging accessories and 5G radios. Moreover, given that it is a better conductor of electricity, it can handle more power without getting hot. 

Do you need a GaN charger? 

The short answer to that is yes. You may be wondering if these chargers are worth your investment. After all, numerous chargers are on the market and do the same thing. Thus, what makes a GaN charger way better than a standard charger?

The answer lies in its technology. GaN chargers could charge your devices faster, as they have a wider bandgap. That means there’s less energy loss as electrons move from band to band. Its wider band gap enables it to sustain higher temperatures and voltages than silicon MOSFETs. 

Why do you need GaN charges in your life?

More energy efficient – GaN chargers are much more energy-efficient than traditional chargers. They utilize less power, which is good for the environment. You will also save money on your power electricity bill.

Faster charging speed – Are you always on the go? You need a charger that can keep up with your hectic lifestyle. GaN chargers can charge devices up to three times faster than standard chargers.

On top of that, you can fully charge your dying smartphone in less than an hour. No more waiting around for your device to charge. How cool is that? 

Smaller footprint – Don’t you like chargers that consume too much space? Then you’ll certainly like GaN chargers. Since the materials used for them are more efficient semiconductor materials, they are much more compact and smaller than traditional chargers. They will not take up much space in your purse or bag. 

How To Choose the Right Supplier for Gan Charger

As people’s demand grows for electronic products, the use of GaN chargers is also increasing. There are various types of GaN chargers and charger manufacturers in the market. If you need to find a good GaN charger manufacturer, consider taking a look at these considerations:  

Thus, how do you pick the best GaN charger manufacturer? 

Set your criteria. 

It would be best if you listed things your GaN supplier will need to meet to offer what you need. Here are some things you must consider:

Communication standards – The supplier’s response and capability to communicate past language barriers.

Return policy – The conditions that let you or your customer return items.

Payment terms and conditions – How to pay for your products.

Quality assurance processes – The steps the vendor takes to guarantee product quality. 

Dropshipping capabilities – The capability of your supplier to offer quality products straight to your customers.

Minimum and maximum order quantity – Your restrictions for how much you can order a product at a time.

Ideal lead time – How long do you wish to wait between purchasing and receiving the order? 

It will let you assess potential suppliers on every listed item and guarantee you pay attention to all crucial requirements. 

Likewise, you may determine which criteria are flexible and which are essential. Remember that suppliers in each industry run a bit differently. There’s always a chance you won’t find a supplier that checks each box. 

Consider your options 

Once you understand the types of products you wish to sell, you can hit a supplier directory such as Alibaba to determine which GaN suppliers provide what you need.

You can utilize this time to assess your possible suppliers based on the following criteria:

Security – Good GaN charger suppliers provide fraud protection and insurance. Stay away from working with vendors that do not protect your business.

Business type – Depending on your business model, you may need to pick a wholesale supplier, a reliable manufacturer, or a dropshipping supplier. Ensure you understand which vendors are which. 

Reputation – What are other business owners saying about that supplier? Is it reputable, or will it bargain your product ideas and weaken your business? 

When finding GaN charger suppliers, it’s essential to check reviews from other businesses. That may offer you a better idea of how a GaN charger supplier will meet your outlooks more than anything else. 

Always call for bids. 

After you have a shortlist of legitimate suppliers, vendors, or dropshipping providers you are interested in collaborating with, you can now call for bids. You must fill out a Request for Proposal form with all the information for the products, amounts, delivery dates, and quality standards you need.

You can communicate with vendors about its policies and processes throughout that process. We suggest asking about the suppliers’ raw material planning and sourcing. Check out if the supplier uses unethical reordering practices or gets its materials from illegitimate suppliers.

That helps guarantee you are working with a dependable supply chain vendor, which will not cause product shortages on your end. 

Assess bid submissions

Compare every supplier to determine which ones best meet your quality standards and budget needs. Pay close attention to pricing, as you do not like to choose a GaN charger supplier too much for its goods, which cuts your profit margin. 

At this stage, you must do another check to guarantee the validity of your supplier’s bid. Are you working with a wholesaler or dropship supplier? You can guarantee its validity by demanding a product sample and ISO compliance certification. 

Legally speaking, you are still complicit in fraud if you sell products that belong to other companies—even when your supplier stole somebody else’s products. 

After you pick a bid, communicate with your GaN charger supplier to discuss the contract terms. Ensure the contract assures your favorable pricing that safeguards your profit margin. 

Track supplier performance 

Nobody wishes to partner with an unreliable GaN charger supplier. Right? Always keep tabs on your vendor to guarantee they meet their promises. Do you notice they ship the orders late and send incomplete orders? Perhaps they offer low-quality products. You can also use that data to work with your supplier to enhance the processes. If that fails, you may also have the grounds to terminate your contract and finally cut ties with that supplier. That frees you up to begin from scratch with a new supplier. 

Consider tracking cost-efficiency over time. Only because the deal you handled a year ago was a great one does not indicate it’s a great deal today. It would help if you were extra frank with your GaN charger supplier about your needs, and they will be more eager to work with you to exchange a deal that satisfies everybody’s standards. 

Factors To Consider When Making Your Decision

GaN charger suppliers distinguish many of the expenses of your business and could substantially affect the product’s quality. The relationship with your supplier could make or break your business. With such high stakes, what factors must you consider when deciding? 


Price is the first factor when picking a reliable GaN charger supplier. Remember that the lowest price isn’t the best value. 

Look around and renegotiate contracts if necessary. Start by getting a better pricing quote or join a buyer’s group to get an idea. You can also place orders to get free shipping and quantity price breaks.

Financially stable 

Establish long-term relationships with suppliers who understand you will be accessible when needed. 

Just as much as vendors need a credit check on you, it’s smart to perform your homework on the supplier’s financial stability. Always be extra careful with big upfront deposits. Also, be aware of the refund or return policy and any other financial guidelines they have in place.


When picking a supplier, consider how well they communicate with you. Do they have a communication system to place orders? Determine who your representative is with every supplier and how to contact them, especially if you need something.

Always be clear about your expectations around communication. You can also test their ordering, email, and phone response systems early in the relationship. 


Can your GaN charger supplier provide and deliver as promised each time? Do they have the proper quantity? Do you trust the supplier to deliver the order precisely? 

Before selecting that supplier, make sure you do your homework. What’s their reputation for reliability? You can also obtain feedback from your team on their expertise in working with that supplier. 


Is the quality of their business consistent? Consider the overall quality of their communication and service. Other supplier quality could directly affect your reputation. 

Pick suppliers with great quality that you can always count on. Order some samples and check with other customers on their expertise in working with the supplier before making the decision. 

Questions To Ask Potential Suppliers

The stakes are high when picking a supplier falls on your shoulders. When choosing which supplier might be best for your business, you must ask the following questions.

Will you bring value to my business?

Does the supplier’s reputation for being flexible, experienced, and offering quality resonate with how you like your business to be perceived? Evaluate the supplier’s value and make your call. Remember that a supplier that brings strong value always comes at a price. 

What type of service or product quality do you offer? 

You should dig to know the quality of the product your supplier offers. It must be clear that the quality will directly affect your project. Again, it will help if you refer to past work for a clear picture of the supplier’s quality. 

Are you flexible?

Some numerous changes and uncertainties arise, which need flexibility for every party involved. A supplier’s capability to work with you, sustain flexibility, and react to change is important. 

Remember that while it’s simple for a supplier to make a claim, past work and reviews say more about how the supplier operates.

Are you experienced?

The question is whether your supplier has the expertise and what type they have. Is it industry related? Having an experienced supplier is an excellent sign that they have knowledge and know-how in the field. That will add value to your GaN charger business and make everything work smoother. 

Do your goals along with me? 

It’s essential to ask about your supplier’s company culture, values, goals, and mission when evaluating whether or not they could be a great fit. When their values along with yours, it’s usually a great sign that the partnership works well. 

Meanwhile, overall culture, goals, values, and mission differences could result in conflict throughout the project. 

The Benefits of Choosing a Reputable GaN Charger Supplier

There are many perks to working with a reliable supplier. Here are some of them:

Personalized customer care 

Any reputable supplier can follow your journey as a customer from the first call through the final use of their product. If they do not meet your expectations, having a supplier you can count on to fix the problem is invaluable. 

That’s where the benefits of collaborating with suppliers come into their own. You can enjoy a priority service if you are in a formal relationship. 

Proactive and transparent communication 

Remember to consider the benefits of regular business communication. In establishing a reliable relationship with a supplier, it may be possible to some of the roles of your internal team to an added-value partner. 

For instance, you can give tasks like stock auditing to your supplier as they become familiar with your needs. That will free up your resources while making sure a crucial element of your buying control is properly taken care of. 

Bespoke delivery for extra value 

One of the major benefits of having a reliable supplier is that once you establish a solid baseline, it may be possible to customize the products you order. Not only will that enable you to pass on better service to your customers, but it also simplifies your supply chain. 

You can remove fewer unnecessary or waste standard products from your orders. Your GaN charger supplier can determine ways to enhance the product you receive from them. 

Final Thoughts

Your GaN charger supplier can make or break your business. Thus, it’s vital to pick the best possible provider. You can increase your odds of discovering a great supplier by defining your needs up front, asking important questions, and keeping an open mind while assessing bids.

It’s also essential to safeguard yourself by doing a detailed investigation to ensure you are working with a legitimate manufacturer. Then, after you have partnered with your supplier for a while, you can assess the relationship to ensure it is working for you. 

We hope you find this post informative and valuable. If you’re looking for a reliable GaN charger supplier, Prowin Power got you covered. As a reliable battery and charger manufacturer, we understand how a business partnership could improve your product and service and put you in a more powerful negotiating position regarding investments. 

Contact us today to get started and learn more about our services and products. Are you ready to choose the best GaN charger supplier now?

Tips for Choosing the CCTV Power Supply

Regarding security, nothing is more important than seeing what is happening around your property. This is why so many people have turned to CCTV cameras as a way to keep an eye on things. However, ensuring a suitable power supply is one of the most important aspects of having a CCTV system. This article will provide the necessary information for choosing the proper CCTV power supply.

What is a CCTV?

CCTV is an acronym for closed-circuit television. A CCTV system comprises cameras and monitors that record an area’s video footage. Businesses and homeowners often use these systems to deter crime and monitor activity around their property. Big companies often have CCTV systems covering all of their premises indoors and outdoors.

Your family or company might need or want to install a CCTV system for several reasons. If you have a business, CCTV cameras are the physical way to protect your employees and customers. Specifically, it can do the following:

  • Monitor activity: You can use CCTV footage to monitor employee productivity and identify potential safety hazards.
  • Reduce insurance costs: Many insurance companies will offer discounts to businesses with security systems.
  • Prevent crime: CCTV cameras can prevent criminals from targeting your business. Knowing this safety measure will discourage them from even attempting a break-in or robbery.
  • Determine liability: If a crime does occur, companies can use the footage from CCTV cameras to identify the perpetrator and determine liability. This is especially important in the event of an accident.

Power Supply on CCTVs

There are two main types of power supply for CCTV systems. AC Power Supply is the type of power supply that plugs into a wall outlet and provides power to the cameras. AC power supplies are typically used for small CCTV systems. On the other hand, DC Power Supply is a power supply that uses batteries to provide power to the cameras. DC power supplies are typically used for larger CCTV systems. Power vendors also offer dual voltage security cameras, which can be powered by AC and DC power supplies.

Most CCTV cameras will require AC power, as this is the standard type of household electricity. However, some cameras may be designed to work with DC power. It is essential to check your camera’s specifications to see what type of power it requires. If you are not sure, it is always practical to err on the side of caution and go with an AC power supply.

With a suitable power supply, your cameras will be able to function correctly, and it can lead to several problems, such as fuzzy images or even no images. Sometimes, it can cause your camera to overheat and stop working altogether. On the other hand, if your power supply is more than what your camera needs, it can damage your CCTV completely, causing problems with the quality of your images and shortening your camera’s lifespan.

What to look for when choosing CCTV Power Supply

When choosing a CCTV power supply, you must consider some vital things. Check these out before you make your purchase:

The type of system you need.

The initial step is determining the type of CCTV system you’d like to set up. This will determine the kind of power supply you need. An AC power supply will likely suffice if you have a small system. However, you will need a DC power supply if you have a more extensive system.

The voltage that your camera requires.

Most cameras will require between 12 and 24 volts of power. You must ensure that your power supply can provide enough current for your camera. Most cameras will require between 300 and 600 milliamps, and if the voltage wouldn’t match, this could damage your camera directly.

The type of connector that your camera uses.

The most common type of connector is the screw terminal or the BNC connector. However, some cameras may use a barrel connector. Again, it is crucial to check the specifications of your CCTV camera to see what type of connector it requires and what suitable power supply is needed.

The price of the power supply.

Some CCTV power supply vendors promise the world but deliver very little. Do your research to find a reputable vendor that can provide you with a quality power supply at a reasonable price.

How to choose the right power supply for your CCTV cameras?

Now that we’ve listed what to search for when choosing a CCTV power supply, it’s time to establish the right one for your needs. Here are a few tips:

Determine how many cameras you will be using.

This is crucial because you must ensure that the power supply can provide enough power for your cameras.

Research what the company offers.

As mentioned earlier, you want to ensure a quality power supply from a reputable vendor. Therefore, check the reviews from other customers to help you understand what others think about the company and its services. It is also essential to note companies with good customer service so that in case of troubleshooting, you’ll be able to get as much support as you need.

Look for a power supply that comes with a warranty.

This will give you peace of mind knowing that if anything goes wrong with the power supply, you will be able to get it replaced or repaired without having to spend any additional money.

Get an estimate.

Once you have determined what company you want to purchase your power supply from, it is always a good idea to get an estimate from them. It will give you a general idea of how much the power supply will cost and any installation or shipping fees associated with it.

Get a power supply that has backup battery power.

You can still have your cameras up and running during a power outage. A backup is imperative because you don’t want your security system to be down when needed.

Check the price.

You want to pay for your power supply reasonably, but you also want to maintain quality. Find a balance between the two by checking the prices from different vendors and comparing them to what you need.

Power supplies are a crucial part of having a CCTV system. If they wouldn’t work as intended, it could cause a significant setback to your security system. That’s why it is imperative to take a moment to choose the right one for your needs.

List of Reputable Power Supply Vendors for CCTVs

We’ll make it easier if you’re searching for a reputable power supply for your CCTV. We’ve listed some companies that we recommend below:

Prowin Power Supply

This company has been in business for almost ten years and is a leading provider of CCTV power supplies. They are a one-stop power solution based in China and have numerous products. They also offer customization options if you require a power supply not listed on their website. A three-year warranty backs their products, and they provide fast shipping with 100% guaranteed satisfaction.

Teknim and Bilgi Elektronik

This company is a trusted source of CCTV power supplies online that has been operating for 29 years. They have a wide selection of domestic products such as home and workplace alarm systems, fire alarm systems, burglar alarm systems and power supplies for CCTVs or Access Control systems. The company is successfully serving its customers as they provide support 24/7 if you need help with the products you’ve purchased. They cater to different global sellers, so you’re sure they can deliver the products you need without any issues.

Helios Power Solutions

This company has been in the business for more than 30 years and is a reliable source of CCTV power supplies. They customize designs, manufacture and export high-quality and reliable products for different applications, including CCTV systems. They have a team of experts ready to assist you during the selection process. They provide powerful solutions to more than 30 countries all over the world.

Shenzhen Fining Electronics Co., Ltd.

This company is one of the leading manufacturers of CCTV power supplies with over 22 years of experience. They offer on-hand and customized options for your power supply needs for your CCTV system. They also cater to different global clients, so you’re sure to find what you need. Most of their products are certified with CE, FCC, and RoHS so that you can be certain of their quality. Their business is supported by a team of professional engineers who will be happy to assist you even after purchasing their products.

MOSO Power

MOSO Power is an international provider of CCTV power supplies with up-to-date technology. The company devotes to the design, research, development, production, sales, and service of CCTV products. They have a wide array of products you can choose from and propose customization options to meet your specific needs. All of their products are first-class and applicable in different fields, such as security, electricity, lighting, and more. They are a well-known provider for the United Kingdom, Germany, France, Mumbai, and the United States.

Shenzhen CASVIEW Technology

Shenzhen CASVIEW Technology is a professional power supply vendor for CCTV systems and other products. The company has an extensive range of power supplies to choose from for different applications, and they also offer customization options to meet your specific needs. A one-year warranty backs their products, and their customer service team is available 24/7 to assist you. They have CE and FCC certifications and cover as many as 70 countries with their sales and services.

Zhitao Electric Group Co., Ltd

Zhitao Electric Group Co., Ltd. is an established manufacturer of CCTV power supplies based in China. They have a professional and highly efficient team of engineers that designs, develops, and manufactures power supply products. Zhitao Electronic Group’s products are known for their high quality and reliability, and they offer a one-year warranty.

Why invest in a power supply?

Nowadays, it is necessary to have a good power supply for your devices because the local utility companies can entirely compromise the quality of the electricity. There are a lot of power surges and brownouts happening, which can damage your devices connected to the power grid. A reliable power supply can help protect your devices from unexpected incidents and regulate the voltage to ensure that your appliances are getting the stable power they need to function properly.

Choosing the right power supply, specifically for your CCTV systems, is important to ensure that your investment is well-protected.


Several things are to consider when choosing the right power supply for your CCTV system, and it is a significant step to do your research to figure out the best one for your needs. You can start by looking for a reputable vendor specializing in power supplies for security systems. You can also explore online reviews to get an idea of the different options available in the market. Once you have narrowed down your options, you’ll be able to compare the features and prices of the various power supplies to find the best one for your needs.

The bottom line is that a good power supply is a valuable investment for your CCTV system, and finding a company that can cater for your needs is necessary. Prowin power, among the other manufacturers, is a great choice for a CCTV power supply because of its quality products and excellent customer service. We offer a wide variety of power supplies that can cater to your needs. You can check our websites to learn more about their products and services.

Do you need a reliable and constant power supply for your CCTV system? Look no further than Prowin Power. Contact us today, and our customer service team will be more than happy to assist you.