Sunshine Is The Leading Power Adapter Manufacturer

We provide a one-stop solution that includes design, production, and logistics and offer OEM/ODM services.

Power Adapter Manufacturer

Welcome to Sunshine. Sunshine is a leading manufacturer of power adaptors, chargers, and data cables!

Whether you’re in the office, at home, traveling, or in the industrial sector, we offer top-notch products.

Our power adapter wholesale prices are top competitive. I’m sure it’ll save your money, about the cost and the duty. Because we have manufacturing in China & Vietnam, we can effectively reduce costs.

Choose us, choose excellence, and enjoy convenient and efficient charging solutions for your life and work. We are a reliable power adapter supplier.

Power Adapter Variety

Still not finding what you're looking for?
Contact our consultants for more available products.

Power Adapter Applications

Home and Office
Perfect for everyday use, our adapters are a reliable power source for your electronic devices at home or in the office.
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Industrial Engineering
Adapters in the industrial sector play a crucial role for essential machinery.
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Business Travel
Whether you're on a business trip or vacation, our travel adapters ensure your devices stay charged, keeping you connected wherever you go.
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Gaming and Entertainment
Gamers and entertainment enthusiasts can trust our adapters to provide a consistent power supply for uninterrupted enjoyment.
Remote Work
With the rise of remote work, our adapters are essential for keeping your devices powered during virtual meetings and work sessions.
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Our Advantages of Power Adapters

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Test equipment in laboratories and workshops

Our labor We adopt machines with highly Validated and Recognized test equipment brands in our laboratories and production workshop, such as FLUKE, Chroma, YOKOGAWA, LECROY, TESEQ, and GwinSTEK which stand for the highest and strictest standards with strong recognition in this industry of universal power adapters.
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Product materials

They should conform to the standards of RoHS, Reach, California prop65, PFAS, and Red Phosphorus free.
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Product tests

More than 60 tests including various electrical performance tests,Load no-load test,Burn-in test, EMC test, high and low temperature cycle test, high and low temperature hot wash test, salt spray test, drop test, roller test, unplugging endurance test, fire test, lightning strike test, anti-static test, etc.
certificate (6)

Product certifications

At last, before dispatching and packaging, all portable adapter power supply must pass another series of product verification, such as UL&CUL, FCC, DOE, CE, RoHS, REACH,Intertek, NRCan……

AC DC Power Adapter Manufacturing Process Diagram

Please click on the dots on each small picture to see the details.

Custom Power Adapters at Sunshine Electronics



Customized Product Features

Empha.size that our products can be tailored to specific needs, ensuring that they align perfectly with the customer's business requirements.

Custom Exterior Design

Provide options for personalized exterior designs, ensuring that the product aligns with the customer's brand or meets specific market demands, enhancing its visual appeal.


Specification Adjustments

Highlight the flexibility in product specifications, allowing adjustments based on customer requirements to cater to different industries, regions, or specific purposes.

Integration Services

Showcase the product's integration capabilities, allowing seamless integration with existing systems or devices, thereby enhancing overall operational efficiency.


Customized Packaging

Offer customized packaging options to meet customer requirements for brand image and ensure the safe and secure transportation of the product.

Why Choose Sunhine?

We build trust through stable business operations and reliable product quality. We accomplish this important foundation work through reliable laboratories and a rigorous quality management system

Customized Solutions:
We offer personalized solutions to ensure we meet each customer's unique requirements.

Competitive Pricing:
Based on two factories in Vietnam and China。We provide excellent products and services at competitive prices, creating greater value for our customers.

Continuous Innovation:
Staying abreast of market changes, we continually introduce innovative products and services to help our customers maintain a competitive edge.

We build trust through stable business operations and reliable product quality. We accomplish this important foundation work through reliable laboratories and a rigorous quality management system

Customized Solutions:
We offer personalized solutions to ensure we meet each customer's unique requirements.

Competitive Pricing:
Based on two factories in Vietnam and China。We provide excellent products and services at competitive prices, creating greater value for our customers.

Continuous Innovation:
Staying abreast of market changes, we continually introduce innovative products and services to help our customers maintain a competitive edge.

Welcome to Sunshine

Warehouse And Factory
Skillful Workers
Yearly Manufacturing Pcs

Two plants in China and Vietnam

Established in 2003, our company has evolved into a dynamic entity with a robust presence in two key locations - China and Vietnam. At present, our manufacturing facilities collectively cover approximately 46,500 square meters, with around 1,200 employees.

From a modest beginning in 2003, we have grown exponentially, achieving milestones that reflect our dedication and resilience. These achievements underscore our commitment to providing quality products and services to our valued customers.

Our Chinese and Vietnamese factories serve as the backbone of our operations. The Chinese facility, strategically located for efficient production, complements the Vietnamese counterpart, allowing us to cater to diverse markets with ease. The operational synergy between these locations ensures a streamlined supply chain.

Our diverse product range caters to various industries, reflecting our adaptability and versatility. From cutting-edge technology to traditional craftsmanship, our products embody quality and innovation. Notably, our power adapter has garnered acclaim for its unique features and functionality.

Looking ahead, our vision involves sustained growth and expansion. We are exploring opportunities for further diversification and geographic expansion, ensuring that we remain at the forefront of the industry.

Acknowledging challenges is part of our journey. We have encountered and overcome various obstacles by adopting strategic solutions. Our ability to adapt and find solutions positions us as a resilient and forward-thinking organization.

Our customers' satisfaction is paramount. Positive testimonials reflect the impact of our products and services on their businesses. Customer trust is the cornerstone of our long-term relationships.

Automatic production line

Embracing technology has been integral to our success. Our use of advanced technologies in manufacturing not only enhances efficiency but also fosters innovation. This commitment positions us at the forefront of our industry.
we adopt efficient, flexible, intelligent, and automated production lines in this industry to provide high-quality electronics in our workshops in China and Vietnam, with robotic operation at all key process positions to ensure quality, stability, and consistency of power adapters, chargers, cables, bulk cables.

Trusted quality control system

Quality is at the core of our operations. We adhere to stringent quality standards, ensuring that our products meet and exceed customer expectations. Our commitment to quality is underscored by certifications. uch as UL, FCC, CE, RoHS, REACH,Intertek,BSCI,ISO14001,ISO9001……

Advanced testing equipment in the industry

The production lines are equipped with advanced and reliable top laboratory testing equipment in this industry, such as AOI, TEST, ICT TEST, Chroma Comprehensive tester, etc, which is distributed at each key quality control point of the line. In addition to that, some of the testing equipment is integrated with the automatic production line for automatic testing. Next, the production lines implement the identification number control for each product to carry out the online management mode of the test parameters, all the way to the implementation of the finished product with barcode packing into the box and the outer box barcode traceability management. Then all products you need will be dispatched flexibly from China and Vietnam to your destination.

Reliable laboratory

Equipped with advanced international testing to ensure the reliability and reference of test data to ensure that global standardization requirements are met.
 Professional technical team. Leader by professionals with more than 30 years of experience in the industry. At the same time, we have hired professionals from the word’s top 500 companies for guidance.
Cooperation with international laboratories, such as UL, ICAS, ITERTEK, CTI, NTEK, WALTEK……
Transparent experimental procedures to verify all types of test data together with customers.
* Address potential challenges that laboratories may face.
Discuss the importance of transparent communication during challenges.

25+ Production Lines

To achieve a first-class production environment with high manufacturing efficiency, uniform quality, and standardized processes, we have introduced
• advanced production automation equipment,
• high-end professional testing equipment,
• central control settings,
• various types of robotic operations,
• other production equipment,
• adopted standard industry workshop settings, etc.

Verified Excellence: 

Unveiling Authentic Customer Experiences!

Feedback for Sunshine Power Adapter



Sunshine Products


During our cooperation with Sunshine, we worked together on power adapters and cables. We are very relieved by Sunshine's delivery service and quality control, we have had very few quality complaints over the past 10 years. Besides, we have received good and proper after-sales service for any misunderstandings caused by incomplete communication.



Ask Sunshine Power Adapters

  • What Is the Minimum Order Quantity (MOQ) for Your Wholesale Orders?

    Our MOQ is adaptable and open to negotiation. Don't hesitate to inform us of the quantity you require, and we will determine the corresponding cost. After evaluating our products' quality and experiencing our service, we hope you will consider placing larger orders. If you have any inquiries, please don't hesitate to reach out, and we will promptly respond to your requests.
  • If I Share My Sketches/Designs, Can You Enter into a Non-Disclosure Agreement (NDA) to Safeguard My Design?

    Absolutely, We specialize in OEM/ODM projects and prioritize the protection of every client's designs. If necessary, we are more than willing to sign an NDA to guarantee that your artwork will remain confidential and will not be shared with other clients, and your OEM products will not be sold to any other parties. For any inquiries, please feel free to contact us.
  • Is it Possible to Receive Samples, and What is the Turnaround Time for Sample Delivery?

    Certainly. Typically, we offer complimentary existing samples, but there may be a nominal fee for custom designs. The sample charge can be refunded once the order quantity reaches a certain threshold. The standard delivery time for samples is approximately 2-4 days. If you require samples featuring your designs, the timeline is 5-7 days, depending on factors such as the necessity for new printing screens, among others.
  • What Certification Do You Have?

    We can provide FCC, REACH, UL, CE, ROHS and other related certificates.

    CE Marking:This is a mandatory conformity mark for products sold in the European Economic Area. It demonstrates compliance with European Union safety, health, and environmental protection standards.

    FCC Certification: In the United States, the Federal Communications Commission (FCC) certification ensures that electronic devices do not interfere with radio and television communication.

    RoHS Compliance: The Restriction of Hazardous Substances Directive restricts the use of specific hazardous materials in electrical and electronic equipment.

    UL Certification: UL is a safety certification primarily required in North America, indicating that the product meets specific safety standards.

    ETL Certification: ETL is another safety certification recognized in the U.S., indicating that products comply with safety standards.

    REACH Certification: REACH Certification is compliance with EU regulations that govern the safe use and management of chemical substances. It involves registration, evaluation, authorization, and restriction of chemicals to protect human health and the environment. 
  • How Long Is The Production Lead Time?

    Our minimum order quantity (MOQ) can be fulfilled within 30 days. Our extensive automation capabilities allow us to guarantee swift delivery, even for substantial orders. Leveraging our robot-assisted systems has substantially increased efficiency while significantly reducing labor costs. Sunshine Electronics is well-equipped to efficiently manage your project, delivering high-quality products. Contact us today with your inquiries and requirements, and we'll get in touch with you within 24-48 hours.
  • What types of wall-mounted power supplies are available?

    Wall mount power supplies can be either AC or DC. They come in a range of configurations, depending on the scenario that theyre designed for.
    Regulated – Regulated wall mount power supplies feature voltage regulators that ensure the output voltage remains consistent, never deviating from the rated value of power supply.
    Unregulated Unregulated wall mount power supplies differ in that their output voltage will decrease as the output current increases and vice versa. This means that the power supply must be matched as closely as possible to the voltage and current requirements of the device in question.
    Linear Linear wall mount power supplies convert high voltage AC into low voltage, this is then converted into DC voltage. Whilst these tend to have low efficiency, they are also more reliable and faster than switching mode power supplies.
    Switching mode power supplies – Wall mount switching mode power supplies convert the input signal into DC before stepping down or up the voltage to the required level. These power supplies have high efficiency and are less bulky than their linear counterparts.
  • What are the primary components of a wall mount power supply?

    Depending on its configuration, a wall mount power supply will typically consist of a transformer, a rectifier, smoothing, a regulator and load. The input transformer steps down the AC power, a rectifier circuit converts the AC components present into DC component. The signal is then smoothed out by a filtering circuit. A regulator controls the voltage to the desired level, before leading to the load which uses the pure DC output from the regulated output.
  • Where are wall mount power supplies used?

    Wall mount power supplies are used in a wide range of industries and applications. They can be designed for use with a full range of input voltages and can output to a similarly wide range of wattages. Linear wall mount power supplies are typically used in audio frequency applications due to their immunity to RFI. Meanwhile, wall mount switch mode power supplies are used in phone chargers and DC motors.
  • How do you choose a wall mount power supply?

    In order to choose the right wall mount power supply for your requirements, you need to first find out where your device needs AC or DC. Youll usually find the power requirement on the device itself, look for the voltage requirements so that you can ensure you are providing the correct amount of power. Too much or too little power may lead to your device being damaged.
  • Do all desktop computers use the same power cord?

    Basically, if it's just a cable (no power adapter) and it physically fits your computer, it'll be just fine. Desktop computers (and many monitors) all use the same connector (IEC). Of course, different plugs are used in different countries, but electrically they are all the same.
  • Can I use any power adapter for PC?

    It's tempting to buy just any power supply to run your PC, but that's not a wise choice. A power supply that doesn't provide reliable or clean power can cause any number of problems, including instability that can be hard to pin down.
  • What is AC adapter for desktop?

    AC adapter, also called a power adapter or laptop charger, is used to provide sufficient power to operate the laptop for extended periods and to recharge the laptop battery.
  • Are desktop power supplies interchangeable?

    Yes, they are likely interchangeable even though voltage is not the same. This is because the voltage difference is within specs, and I am GUESSING you could go even higher or lower in voltage.<o:p>

  • How do I know if my power adapter is compatible?

    The right AC adapter for your device is one with matching electrical ratings. The device's input voltage and current must match the adapter's output voltage and current. Check the device's product label or user manual to see its rated voltage and current.<o:p>

  • What happens if you use the wrong power adapter?

    The device could power on, and just draw more current from the adapter than it's designed for. This could cause the adapter to overheat or fail. Or, the device may power on, but the adapter may not be able to keep up, causing the voltage to drop (see voltage too low above).<o:p>

  • What causes a power adapter to fail?

    AC adapter issues can occur due to a faulty AC adapter, faulty power cable, damage to the power or AC adapter cable , and so on.<o:p>

  • Can you repair power adapter?

    Power adapters can cost hundreds of dollars to replace, but they can often be repaired for free if you already have the necessary materials. The same thing can happen to the plug on any kind of power adapter, but it happens most frequently with notebook computer power supplies, especially ones with coaxial cords.<o:p>

  • When should I replace my desktop power supply?

    It's a component that's easy to overlook, but the PSU is the beating heart of your computer. Make sure you look after it from time to time.
    These are the six signs you should look out for.
    1. Advanced Age. ...
    2. BSOD. ...
    3. Crackling, Static, and Other Noises. ...
    4. Processor or GPU Issues. ...
    5. Power Fluctuations. ...
    6. Physical Damage.
  • How do I test my desktop power supply?

    How to: Test a PSU (Power Supply Unit)
    1. Shut off your PSU.
    2. Unplug all cables from the PSU except for the main AC cable and the 24-pin cable.
    3. Locate pin 16 and pin 17 on your 24-pin cable. ...
    4. Bend your paper clip so the ends can be inserted into pin 16 and pin 17. ...
    5. Turn on the PSU.
    6. See if the PSU fan turns.
  • What is a usb c power adapter?

    USB-C is the new standard for connecting devices to computers and other devices. USB-C ports are smaller and can be found on many new devices. They are also reversible, meaning you can plug it in either way. Browse the top-ranked list of USB-C power adapters below along with associated reviews and opinions.

Consult Your Sunshine Experts

We help you avoid the pitfalls to deliver the quality and value your Power adapter, charger, bulk cable need, on-time and on-budget.

Contact Info

Tel: 0086-519-85203588; 85156667 ext 8001
Sunshine Electronics & E-KEY Electronics


Why Sunshine



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Time: April 9th to April 12th 2024
Address: Venetian Expo, Las Vegas