Products
12V 3A 36W Desktop Power Adapter
Sunshine Electronics, a trusted manufacturer and supplier of high-quality AC/DC Switching Power Supply 36W and 12V 3A Desktop Power Adapters, operates two production facilities in China and Vietnam to meet your bulk demands competitively.
Our AC/DC Switching Power Supply 36W, 12V 3A Desktop Power Adapter features:
Input: Universal 100-240Vac; 50/60Hz with Input Under Voltage Protection
Output: 12V 3A, 36W
AC Plug: US/EU/UK/AU Plug
Rigorously tested using Laboratory Testing Equipment
Protection mechanisms:SCP (Short Circuit Protection), OVP (Over Voltage Protection), OCP (Over Current Protection), OTP (Over Temperature Protection)
Dimensions: 113(L) * 36(H) * 55(W)mm
Global Certifications: UL FCC CE GS RoHS etc
Our commitment to quality is evident through our adherence to global standards, ensuring a reliable and safe product for your needs. Feel confident in choosing Sunshine Electronics for your AC/DC power supply requirements.
Specifications of 12V 3A 36W Desktop Power Adapter
| Product Features | 12V 3A 36W Desktop Power Adapter | |
| Input | Input Voltage Range | 100-240Vac |
| Frequency Range | 47-63Hz | |
| Input Current | 1.5A Max | |
| Output | Output Voltage | 12V |
| Output Current | 0-3.0A | |
| Ripple & Noise | 200mVp-p Max | |
| Voltage Tolerance | 11.64-12.36V | |
| Line Regulation | ±1% | |
| Load Regulation | ±3% | |
| Energy Class | ENERGY STAR VI | |
| Protection | Over load | 6A Max |
| Over Voltage | 18V Max | |
| Short Circuit | Protect | |
| Over Temperature | ||
| Input Under Voltage | ||
| Environmental | Operating Temperature | ﹣40℃-60℃ |
| Operating Humidity | 5%-95% | |
| Operating Altitude | 4000m | |
| Safety Approvals | UL | UL62368-1 |
| EMC | Conducted | FCC Part 15 Class B |
| Radiated | FCC Part 15 Class B | |
| Common Mode Noise | ||
| ESD | Air discharge:+/- 15 KV min Contact Discharge:+/- 8 KV min |
|
| Surge | 6KV | |
| Others | Hi-pot | 3KV Acrms(10mA Max) |
| Insulation Resistance | 500V DC(50MΩ Min) | |
| Leakage Current | 120Vac(0.25mA Max) | |
| Dimensions | 113(L)*36(H)*55(W)mm | |
Features of 12V 3A Desktop Power Adapter:
● Overload Protection with High-Quality Wires
● Over-charge/discharge protection
● Overheating Protection with Smart Chip
● Anti-Interference Feature with Better Isolation Materials
● Short-circuit protection
● Fully Compatible with the Original Laptops
● Tested with Strict Quality Control Standards
Our rigorous testing includes more than 60 tests, such as high and low-temperature cycle tests, high and low-temperature hot wash tests, salt spray tests, drop tests, roller tests, unplugging endurance tests, fire tests, lightning strike tests, anti-static tests, etc.
● Protection Requirements
No battery damage, anti-overheating, anti-surge, overload protection, anti-current, flame retardant material, anti-over-voltage, anti-short circuit

Rest assured that our 12V 3A Desktop Power Adapter meets the highest quality standards, ensuring durability and safety for your devices. Choose reliability; choose Sunshine Electronics for your power adapter needs.
12V 3A Desktop Power Adapter Applications
We provide high-quality, compact, and durable adapters designed for use in communication equipment. Our adapters are suitable for a variety of applications, including tablet PCs, LED displays, LED light bars (both hard and soft), mobile DVDs, EVD, ADSL, POS machines, multimedia set-top boxes, LCD monitors, small home appliances, battery chargers, video phones, portable computers, satellite receivers, digital photo frames, computer peripherals, instruments, electronic game machines, hubs, mobile communication equipment, bank data equipment, alarm systems, medical communication equipment, industrial appliances, security engineering, monitoring systems, and other fields.
Sunshine Certification
Ensuring High-Quality and 100% Safe Power Adapters for Our Customers
At Sunshine, we guarantee that all power adapters ranging from 5W to 90W bear our brand meet the stringent safety certification requirements. Whether it’s a switch power supply, USB charger, Ethernet power supply, or any other type, we promise our customers the utmost safety and protection for their devices.
Our commitment to safety extends to all our manufacturing facilities, both in China and Vietnam. Every adapter produced undergoes thorough testing to ensure compliance with all relevant safety specifications mandated for sale in the respective countries. We provide our clients with the necessary safety certificates to facilitate smooth inspections by local regulatory authorities.
Sunshine offers ODM/OEM development projects tailored to meet the safety specifications mandated by various countries. We equip our customers with all the relevant information and documentation required for seamless application and approval processes.
Rest assured, when you choose Sunshine, you choose a partner dedicated to delivering not only quality products but also peace of mind regarding safety and compliance.

Wholesale 12V 3A 36W Desktop Power Adapters
Our OEM 12V 3A Desktop Power Adapters are designed to provide great service for all our customers to ensure they help boost your business with 12V 3A Desktop Power Adapters. We could supply high-quality 12V 3A Desktop Power Adapters that are applicable in different approaches to give you flexibility and an advantage in the market. Besides, the portable 12V 3A Desktop Power Adapters are brought to any place if you need 12V 3A Desktop Power Adapters. Last but not the least, our lighter 12V 3A Desktop Power Adapters could make your lives easier when you have to carry 12V 3A Desktop Power Adapters all the way. Getting best 12V 3A Desktop Power Adapters wholesale gives you a great benefit that you can take advantage of in different applications.
Cutting-Edge, Accurate & Reliable Lab Testing
Lab in Sunshine is equipped with advanced and reliable electronic test equipment of all kinds of types, such as several sets of CHROMA series test equipment, CHROMA integrated test operating system, FLUKE test equipment, YOKOGAWA temperature tester, YOKOGAWA power meter, LECROY oscilloscopes, TESEQ lightning tester, X-Ray fluorescence spectrometer, liquid chromatography, EMC laboratory, TDR network cable analyzer, FLUKE network cable tester, plugging tester, tension tester, cable swing tester, steel ball drop tester, constant temperature test chamber, salt spray tester, light transmission meter, specific gravity tester, vibration test bench, etc. we guarantee that all our products gain a full range of export licenses, such as UL, CE, RoHS, CCC, PSE, etc.

Sunshine is in accordance with ISO9001, TL9000-H, ISO27001, and ISO14001 international Quality Management System certification. From collecting customer requests for design, development, production, service…etc. We establish a standard quality assurance system for clear, reliable quality standard production techniques. We force to improve R&D technology, and productivity, at the meantime, we also implemented improvements and records for each production. Provide safe, secure, complete, and systematic production management.
Sunshine Two Factories in China and Vietnam
Sunshine Electronics has been working as a trustworthy 12V 3A Desktop Power Adapter manufacturer and supplier in China and outside China–Vietnam for almost 20 years. We can guarantee that 12V 3A Desktop Power Adapters are produced with high quality in China and Vietnam.
Through our modern manufacturing services for 12V 3A Desktop Power Adapters, we reduce your costs, ensure high-quality and 100% safe 12V 3A Desktop Power Adapters, and help you gain a competitive edge. With more than 1200 employees distributed in China and outside China–Vietnam, devotes themselves to serving our overseas customers, and providing them with more advantages and chances to occupy the market. Owing to advanced R&D for 12V 3A Desktop Power Adapters, rigorous quality control for 12V 3A Desktop Power Adapters, consistent automated production lines for 12V 3A Desktop Power Adapters, flexible manufacturing system and dynamic dispatching in China and Vietnam, we have gained more reliability and credibility in this industry to obtain more market share and opportunities for our global customers building long-term stable cooperation and maintaining a strong friendship with them in Western Europe, North America, Australia, and Asia.
About Sunshine
Sunshine Electronics Co., Ltd was first founded in 2003. Our services involve Home Electronic Devices, Computers and Peripherals, Mobile Devices, Communication Equipment, Healthcare industries, the Quick Charge area, and many other fields. We have our first factory in China, starting with a few workers and a small workshop. Benefits from the development of the market and our customers’ trust, with our high-quality products, we now have become a manufacturer covering an area of 40000+ square meters, and have our R&D team equipped with a fully functional laboratory.
In 2018, seeking more competitive prices, and empowering customer growth. We decided to establish a new factory in Vietnam and more flexible shipping ways can be arranged now. Our customers can certainly find the best shipping plans to suit your business.
Why Choose Sunshine Electronics 12V 3A 36W Desktop Power Adapters?
Sunshine Electronics, a trusted manufacturer of high-quality 12V 3A Desktop Power Adapters, operates dual production facilities in China and Vietnam. Our adapters feature overload protection, smart chip overheating protection, and rigorous testing with recognized equipment brands like FLUKE and Chroma. Certified by UL, FCC, CE, and more, our adapters meet global safety standards. We offer flexible manufacturing and dispatch options, reliable validation, customizable designs, comprehensive after-sales service, and free samples. Boost your brand with our fashionable and practical 12V 3A Desktop Power Adapters. Choose Sunshine for premium quality and customer satisfaction.
Flexible Manufacturing System and Dynamic Dispatching from China and outside China–Vietnam
Sunshine Electronics has become one of the most well-trusted Quick Charge manufacturers and suppliers in both China and outside China–in Vietnam. We are available to provide two production lines for 12V 3A Desktop Power Adapters in China and Vietnam at the same time, which means not only we could supply in bulk to meet your high-volume requirements, but also you could decide whether to dispatch your 12V 3A Desktop Power Adapters from China or Vietnam. The most important factor is that 12V 3A Desktop Power Adapters produced in China and Vietnam are all of high quality and 100% safe, and the specifications of 12V 3A Desktop Power Adapters in China and Vietnam are all the same.
Reliable Experimental Validation and Product Verification
Our professional Quick Charge manufacturing processes are streamlined, standardized, and rigorous to guarantee that we can always provide high-quality and 100% safe 12V 3A Desktop Power Adapters to all our customers. 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 12V 3A Desktop Power Adapters. At first, in terms of materials of 12V 3A Desktop Power Adapters, they should conform to the standards of RoHS, Reach, California 45 Act, and Red Phosphorus free. Then, all 12V 3A Desktop Power Adapters will follow a series of verification, such as EMC testing, high voltage insulation testing, earth loop impedance testing, lightning strike 6KV testing, and high and low-temperature testing. At last, before dispatching and packaging, all 12V 3A Desktop Power Adapters must pass another series of product verification, such as UL &CUL, FCC, DOE, CE, and NRCan.
Package Design of 12V 3A Desktop Power Adapters from Concept to Commercialization
Our expert team of designers who are talented in the field of 12V 3A Desktop Power Adapters handles the packaging and design solutions for 12V 3A Desktop Power Adapters from the beginning to the end, catering to any business needs. Combining the product design of 12V 3A Desktop Power Adapters, they are responsible for creating the perfect appearance design for your 12V 3A Desktop Power Adapters, along with matching labeling services of 12V 3A Desktop Power Adapters, and packaging of 12V 3A Desktop Power Adapters.
Warehousing, Logistics, and Inventory Solutions of 12V 3A Desktop Power Adapters
We are skilled in providing assistance in inventory management of 12V 3A Desktop Power Adapters through the use of our order system of 12V 3A Desktop Power Adapters and delivery options of 12V 3A Desktop Power Adapters. We are also good at managing the internal inventory to make sure that we have available stock of 12V 3A Desktop Power Adapters for faster delivery to our customers who are willing to use our 12V 3A Desktop Power Adapters. We can promise that we will solve your urgent need for 12V 3A Desktop Power Adapters as soon as possible to ascertain to leave a great impression on our packing services.
Full After-Sales Services
We believe in walking the journey with you which is why we deliver after-sales services designed to give you a hand whenever you are stuck and we are there till the last second of your 12V 3A Desktop Power Adapters.
Customer-Based 12V 3A Desktop Power Adapter
Our 12V 3A Desktop Power Adapters show custom options for you, such as the color of 12V 3A Desktop Power Adapters, the shape of 12V 3A Desktop Power Adapters, the size of 12V 3A Desktop Power Adapters, the labeling service of 12V 3A Desktop Power Adapters, and the package of 12V 3A Desktop Power Adapters on the surface of 12V 3A Desktop Power Adapters. But if you can’t find what you need for 12V 3A Desktop Power Adapters or you already have specific requirements for 12V 3A Desktop Power Adapters, no need to worry! We accept custom orders of12V 3A Desktop Power Adapters according to your ideas. Contact us, let us know what you need for 12V 3A Desktop Power Adapters, and we’ll do our best to create the best 12V 3A Desktop Power Adapters for your business!
Why 12V 3A Desktop Power Adapters are the Perfect Charges for You
Using 12V 3A Desktop Power Adapters can have multiple benefits not only for you selling 12V 3A Desktop Power Adapters but for your customers who prefer to use 12V 3A Desktop Power Adapters to improve the speed of charging their devices as well. 12V 3A Desktop Power Adapters contain the capability of charging electronic products at a faster rate without getting a higher temperature which makes us feel safe when choosing 12V 3A Desktop Power Adapters as our first choice. Not even to say that smaller Quick Charge could bring us convenience in our daily lives. We could travel everywhere in the world without considering bringing lots of charging devices as 12V 3A Desktop Power Adapters could charge multiple devices at the same time. It is a trend for younger to use 12V 3A Desktop Power Adapters.
Boost Your Brand with 12V 3A Desktop Power Adapter Design
Adding extra value to your 12V 3A Desktop Power Adapters by choosing a suitable 12V 3A Desktop Power Adapter design is also a key element to boost your brand in promoting 12V 3A Desktop Power Adapters. Fashionable, technical, and practical shapes for 12V 3A Desktop Power Adapters or packages for 12V 3A Desktop Power Adapters could increase customers’ desire to try your 12V 3A Desktop Power Adapters. By creating a specialized label for 12V 3A Desktop Power Adapters or a design of 12V 3A Desktop Power Adapters, it is easier to create a better and more lasting impression on your target market for selling 12V 3A Desktop Power Adapters.
We Offer Labeling Services for 12V 3A Desktop Power Adapters
After completing the production of your 12V 3A Desktop Power Adapters, our selection of labels as well as packages for 12V 3A Desktop Power Adapters are designed to cater to your special wants if your need to add your trademarks on the surface of 12V 3A Desktop Power Adapters. We offer different designs for 12V 3A Desktop Power Adapters and types of packages for 12V 3A Desktop Power Adapters that can drastically enhance the way your 12V 3A Desktop Power Adapters are consumed. Custom labeling services can also be requested to complement your unique needs for 12V 3A Desktop Power Adapters. Contact us now!
Free Samples
Sunshine Electronics targets at supplying the best customer experience in the whole cooperation process of 12V 3A Desktop Power Adapters. We also offer free samples for 12V 3A Desktop Power Adapters to all clients who are willing to have a try on our high-quality 12V 3A Desktop Power Adapters. After getting your free samples of 12V 3A Desktop Power Adapters, you can check and examine our 12V 3A Desktop Power Adapters if our 12V 3A Desktop Power Adapters meet your requirements. We undoubtedly possess the confidence that our 12V 3A Desktop Power Adapters are of premium quality and you will not regret.
12V 3A 36W Desktop Power Adapter FAQ
Can I use a 12V 2a power adapter on a 12V 3A device?
Yes. The voltage must be matched, so 12V and 12V. The current required by your device, 3A must be available from the power supply, so a minimum of 3A.
What uses 12V 3A?
12 V 3A power adapters are in high demand for audio amp boards, musical keyboards, portable powered speakers, and LED light strips.
Can I use 12V 1.5 A for a 12V 3A device?
Yes, you can use a 12V 3A power adapter on a 12V 1.5A device. You can also use a 12V 0.5A power adapter but the charging time will be three times longer.
What does 12V 3A mean?
12V 3A means the rated supply voltage of that equipment is 12 V and it requires a minimum 3 A current to provide rated output.
Can I use a 2 amp power supply on a 3 amp device?
As the article states, you do want to match voltages between the power supply and the device, but you can use a power supply with more amps than needed. The device will only draw as much current (Amps) as it needs at the time.
Is 3A fast charging?
Enjoy fast charging and fast data transmission — at the same time. With up to 60W power delivery (20V/3A), up to 25W Super Fast Charging and USB 2.0 data transfer speeds up to 480 Mb/s, you don’t have to switch cables for optimized performance.
Is 3A output fast charging?
With 3 Amps current transmission, the cable can fast charge all your devices at the fastest speed possible. It even supports 18W charging output.
What does 3A mean in charging?
The cable is rated to carry a higher current so there will be no problem. It is not the cable that draws the current, it merely serves as a medium for the current to flow. The current is drawn by the device and it is supplied by the power supply. If the cable is rated at 3A, it means it can carry currents up to 3A.




