Leading Manufacturer of Desktop Power Adapter in China

A desktop power adapter is an external power device used to convert AC power into the required DC power for electronic devices. It usually consists of a power converter and a power cord, and connects to the target device via one or more plugs.

Desktop power adapters are widely used for various electronic devices, such as laptops, routers, set-top boxes, telephones, monitors, sound systems, massagers, and many others.

Jptpower is a leading manufacturer of desktop power adapter in China. We provide machining power adapter service, Today, we are providing high-quality desktop power adapter to more than clients all over the world.

OEM & ODM Desktop Power Adapter

Choose Your Desktop Power Adapter

JPTpower is a desktop power adapter supplier with over 10 years of experience in research and development, numerous automated production equipment, and professional quality inspection. We are committed to providing customers with high-quality and reliable power adapters and related products.

Our desktop power adapters have obtained international certifications such as UL/FCC/CB/CE/GS/UKCA/PSE/KC, ensuring product safety, quality, and reliability. At the same time, our power adapter shells are made of PC materials and achieve a 94-V0 fire rating, which can maintain stable performance under extreme conditions, making it particularly suitable for high temperature and high humidity environments.

We offer multiple specifications and models of desktop power adapters that are widely used in computer peripherals, consumer electronics, home appliances, industrial automation, and communication equipment. We understand the close relationship between power adapters and product quality and safety, so we use numerous automated production equipment and implement strict quality inspections in the manufacturing process to ensure high-quality and reliable products.

If you need high-quality and reliable desktop power adapters, please choose JPTpower as your partner!

Customized trademark or brand logo

Integrating the power adapter into your product design through branding is an effective way to enhance your company’s image. At our company, we work closely with you to determine the best placement for your logo. Whether you prefer to add it to the adapter’s label or onto the case through etching, embossing, or silk screening, we can help ensure that your adapter represents your company or brand effectively.

By adding a personalized touch, your product will stand out, and customers will remember your brand. Our team of experts can assist you in creating a professional and polished look that accurately reflects your company’s values and mission. With our comprehensive branding services, you can be confident that your product will make a lasting impression on your customers.

Customizing the color, style, and texture of the casing

Case colors, styles, and textures are important for creating a unified design aesthetic. We understand that every detail counts and can help coordinate the color and texture of your adapter’s case to match your specific design. With our knowledge of Pantone® swatches, we can ensure an exact match to your brand or product colors. Whether you need a sleek, modern look or a more traditional feel, we have the expertise to help you achieve the desired result. By taking a personalized approach, we work with you to create a unique and flawless product that stands out from the rest

Custom Packaging

At every stage of your product’s experience, including packaging, we provide you with full control. Whether you prefer recyclable options with no plastic, or custom materials such as branded labels, we can help you prepare the product for the final market. Our services are designed to support you at every step of the process, ensuring that your product gets the best possible presentation to attract and retain customers. With our expertise, you can be confident that your product will make a positive impact while being environmentally responsible.

Variety of DC Plug Options to Suit Any Design

Our standard DC plug offering includes a wide range of options such as barrel-shaped, EIAJ, Mini Din, and USB. If these options do not meet your specific requirements, please do not hesitate to let us know. Moreover, you can provide your own plug, and we will seamlessly integrate it into the design to ensure a perfect fit for your needs.

Custom Cord Lengths and Materials

If you need to customize the cord length or material for your product design, our team can assist you. Whether you need to lengthen or shorten the cable, we can provide guidance on how these modifications may affect safety and regulatory standards. Our knowledgeable staff can also help you modify the wire gauge and style (round or flat) to meet your specific requirements.

With our custom cord solutions, you can ensure your product is optimized for performance and safety. We can help you select the right materials and configurations to meet your needs, while keeping in mind any relevant regulations and standards. Our experienced engineers and technicians are equipped with the latest tools and technology to create reliable and high-quality cords that meet your precise specifications.

If you’re unsure of what cord modifications are needed for your particular product or application, our team can work with you to determine the optimal customization based on your design requirements, budget, and timeline. We take pride in delivering exceptional service and quality products every time.

Don’t let a suboptimal cord length or material hold back your product’s performance. Contact us today to learn more about our custom cord length and material modification services, and see how we can help you improve your product’s competitiveness and functionality.

Grounding/Shielding, Voltage, and Current Modifications can be provided

If your performance requirements are not met by our standard adapters, we can make electrical and mechanical adjustments inside the case to meet your specific needs. Our team can provide minor voltage and current adjustments, as well as grounding and shielding modifications to help ensure optimal performance and safety.

Grounding and shielding modifications are particularly important in applications where electromagnetic interference (EMI) or radio frequency interference (RFI) could cause performance issues. We can design and implement shielding solutions that protect against unwanted noise and interference, as well as provide grounding to prevent electrical shock hazards.Our team of experienced engineers and technicians can also provide voltage and current adjustments to help optimize your product’s performance. We can modify components and circuits to ensure that your equipment operates safely and efficiently within the specified voltage and current ranges.

At our company, we understand that each product and application is unique, and we take pride in offering customized solutions to meet our customers’ specific needs. Whether you require grounding/shielding modifications or voltage/current adjustments, we have the expertise to deliver high-quality results.

If you’re not sure what modifications are needed for your particular product or application, our team can work with you to determine the optimal customization based on your design requirements, budget, and timeline. Contact us today to learn more about our electrical and mechanical modification services, and see how we can help you achieve optimal performance and safety for your product.

Apply for safety Standards & tests

Selling your product in the global marketplace requires complying with region-specific safety regulations, including obtaining country-specific agency marks. At our company, we understand the complexities that come with navigating different safety standards across regions, and we’re here to help.

Our team of experts can guide you through the process of obtaining the required safety marks for your product, even if they fall outside of our standard offerings. We have experience working with safety agencies across the world and can help ensure that your product meets all necessary safety requirements, no matter where it will be sold.

We can provide customized solutions tailored to your specific needs and help you achieve compliance efficiently and cost-effectively. With years of experience in the industry, we understand the nuances of safety regulations and can provide expert guidance and support throughout the entire certification process. Our goal is to help you get your product to market quickly and smoothly, without unnecessary delays or complications.

If you’re looking to sell your product in a new market or region, contact us to learn how we can help you navigate the safety regulations and obtain the required agency marks. Our team is ready to assist you every step of the way to ensure that your product meets all necessary safety standards and regulations.

Frequently Asked Questions?

A desktop power adapter is a power device that converts AC power into DC power suitable for use by computers or other electronics. It typically includes a casing, a power cord, and a connecting plug. Products commonly powered by desktop power adapters include laptops, servers, speakers, massagers, industrial equipment, and other electronic devices.


The function of a desktop power adapter is to provide the necessary voltage and current to a computer or other electronics to ensure their stable and safe operation. It can convert AC power into DC power and adjust it as needed.

When choosing the right desktop power adapter for your computer, you need to consider the following factors:

– Power output: Match the requirements of your computer or other device.

– Voltage and current specifications: Match the requirements of your computer or other equipment.

– Energy efficiency certification: The more efficient the power supply, the less energy is wasted and the lower the energy costs.

– PFC level: The higher the PFC level, the better the energy efficiency and quality.

– Brand and reliability: Choose well-known brands and certified products to ensure reliable quality, good stability and low failure rates.


The power adapter for PCs is certified according to IEC/EN60950, 62368, 61558, 60335, 60601, UL1310, UL1012 and other standards.. Safety marks include: UL, FCC, CE, GS, UKCA, SAA, RMC, PSE, PSB, BIS and others.


The ERP certification refers to the certification obtained by electronic and electrical products that comply with the European Union’s ERP (Energy-related Products) Directive. The ERP directive aims to regulate environmental design requirements for energy-consuming products for the benefit of industry and consumers by establishing a coherent and comprehensive legal framework to achieve energy conservation, greenhouse gas emission reduction and the promotion of a low-carbon economy, among others.. All desktop power adapters sold in Europe must meet ERP certification requirements. This certification standard includes requirements for product energy efficiency, environmental friendliness, and many other aspects. With ERP certification, products that meet the criteria can be legally sold and used in the European market.

PFC (Power Factor Correction) is a technology that improves the power supply circuit to increase power supply efficiency and quality, thereby reducing energy waste. The higher the power supply PFC level, the stronger its correction capability and energy utilization efficiency.


The voltage and current of a desktop power adapter are the two main output parameters of the power supply and must match the requirements of the connected device.. Specifically, the voltage must meet the requirements of the device and the current must be sufficient to meet the various power requirements of the device.. When choosing a desktop power adapter, you will want to check the device’s specifications to ensure that the voltage and current output of the power supply meet the requirements.

The standard interface for a desktop power adapter includes 5.5*2.1, 5.5*2.5, 4.75*1.35, TYPE-C, MINI DIN, etc. These interfaces are used to connect to computer motherboards and other electronic devices.

A desktop power adapter connects to electronic devices via an interface at the end of a power cord.. Note, however, that there are many types of DC plugs, so be aware of the required specifications and sizes when connecting your device before powering it on.

If a desktop power adapter makes too much noise, it may indicate a problem or malfunction with the internal components.. It should be repaired or replaced in a timely manner. Generally speaking, a desktop power adapter should not be too noisy.

A desktop power adapter should be cleaned regularly to maintain good heat dissipation.. You can use compressed air or a soft brush to clean dust and dirt, but be sure not to use liquid cleaning agents or water.

Desktop power adapter explosions are usually caused by internal component failure or poor design. To avoid such problems, reliable and certified products should be selected, regularly checked and kept clean, and any self-modification or disassembly should be avoided as much as possible.

When installing a desktop power adapter, the power should be disconnected first and all cable connections should be ensured to be correct. When plugging and unplugging the power connector, it should be done gently without excessive force. In addition, during the installation process, attention should be paid to the length and wiring method of the power cord to ensure safety and neatness.

If the desktop power adapter fails, you can try restarting the computer, checking whether the power cord and power switch are normal. If the problem still exists, the power supply needs to be replaced. When replacing it, appropriate specifications and quality products should be selected, and the output power and other parameters should be determined according to the device requirements.

If the desktop power adapter does not have a suitable interface for your computer, you can purchase an adapter or replace the power supply. However, it is best to choose a power supply that is compatible with your computer to avoid potential safety issues. In addition, using adapters and converters may also have some impact on power performance and should be carefully considered.

There are two main approaches to reduce the electromagnetic interference (EMI) and electromagnetic compatibility (EMC) issues of Desktop power adapter: circuit design and enclosure design. In terms of circuit design, various filters such as filtering capacitors, filtering inductors, filters, etc. can be used to reduce power supply noise and increase power supply suppression ability to cope with EMC issues. In terms of enclosure design, measures such as metal shielding, grounding, insulation, etc. can be used to effectively isolate peripheral devices and reduce electromagnetic interference and improve EMC.

The methods to improve the efficiency and reduce the power consumption of Desktop power adapter include selecting high-efficiency transformers, reducing energy loss during circuit design, and using energy-saving components, etc. In addition, using smart power management solutions, such as energy consumption control, idle mode, sleep mode, etc. can also effectively reduce power consumption and improve the efficiency of the power adapter.

To optimize the temperature management of Desktop power adapter and improve overall performance and reliability, it is necessary to do a good job of heat dissipation in circuit design, such as using heat pipes, fans, heat sinks, etc. to quickly and effectively transfer the heat inside the adapter. In addition, when designing, the placement and layout of various electronic components should be considered, and the phenomenon of heat exchange between components should be avoided as much as possible on the premise of ensuring efficiency and reliability, thereby reducing temperature concentration.

Several methods can be used to ensure output voltage stability within different input voltage ranges for Desktop power adapter: using voltage regulators, buck converters, and other devices to control the output voltage; if the input voltage changes frequently or drastically, increasing input-side filtering capacitors, amplifying input capacitors, input inductors, etc. can smooth the input voltage, and a feedback circuit can be used to adjust the output voltage to the specified range.


To determine the lifespan of Desktop power adapter and when to replace it, several standards should be considered comprehensively: a) the service life of the adapter; b) the environment, temperature, and humidity in which the adapter is often used; c) the quality and performance of the adapter; d) the maintenance and care of the adapter, such as whether it is regularly cleaned and checked; e) whether there are any abnormal situations, such as damage, overload, leakage, etc. If there are any of the above abnormal situations, it is necessary to consider replacing the adapter in a timely manner. Once the adapter has problems such as failure or aging, it should be dealt with promptly to ensure normal use of the device.

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JPTpower: Your Leading Power Adapter supplier.If you need high-quality and reliable power adapters, please choose JPTpower as your partner!

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