High-Quality 20W USB Chargers from China Suppliers | Lightweight and Portable Factory Manufacturing
Product Specification
| OUTPUT | voltage & Current | 5V3A / 9V 2.22A / 12V 1.67A |
| Power (Max.) | 20W | |
| Ripple & noise | ≤200 mV | |
| Voltage tolerance | ±5% | |
| standby power | <0.1W | |
| INPUT | Voltage Range | 100-240VAC |
| Frequency Range | 50-60Hz | |
| ENVIRONMENT | Operation Temp. | 0℃ to +25℃ |
| storage Temp. | -20℃ to +70℃ | |
| Operation HUM | 10% - 90% | |
| SAFETY | Safety certificates | 6236861558 CB, cULus, FCC, CE |
| OTHERS | MTBF | >50,000 hours at 80% load and 25℃ |
| Dimension | 46.5 x 39 x 23 mm |
Specification Details
1. The range of input voltage is from 90Vac to 264Vac with a single phase.
2. Inrush Current (cold start): The inrush current will not exceed 80A at 100-240Vac input and Max load for a cold start at 25℃.
3. While input 115Vac and 230Vac, 5V/3A PCB end average efficiency >81.39%; 9V/2.22A PCB end average efficiency >85.47%; 12V/1.67 PCB end average efficiency >85.48% (Tested at 25%, 50%, 75% and 100% max load).
4. While input 115Vac or 230Vac and the output is no load, the input power loss must be less than 0.1W.
5. Export protocol: Type-C USB. Supports USB Power Delivery (PD) 2.0 and 3.0 (PD3.0 protocol): 5V3A / 9V2.22A / 12V1.67A. Supports Quick Charge 2.0/3.0, FCP, AFC, Apple 2.4A, DCP, Samsung-5V-2A.
6. Turn - on Delay Time: 3S max. @ 100 Vac to 240 Vac input & Full load.
7. Hold-up Time: 5mS min. @ Full load & 100Vac/60Hz input turn off at worst case.
8. Capacitance Load: While input 100~240Vac and capacitance load is 2000uF, the adapter can turn on normally and the output is in the rated range.
9. Output Overshoot / Undershoot: 10% max. When the power on or off.
10. Output Load Transient Response: output shall not exceed 10% of nominal output voltage. Load fluctuation: 20% to 80%, R/S: 0.5A/uS, frequency: 100Hz duration and 8mS at 80%.
11. Over Current Protection: Over Current Point Limited: 5V:3-3.9A, 9V:2.22-3.33A, 12V:1.67-2.6A. The output shall hiccup and self-recover when the fault is removed.
12. Short Circuit Protection: Input power shall decrease when the output rail shorts. The power supply shall not be damaged, and shall self-recover when the fault is removed.
13. Over Voltage Protection: The power supply shall protect when the output over voltage occurs. The product overvoltage protection is ≤25V.
14. Drop Test: Height: 1m; fell off on a plank (thickness ≥53mm) placed on concrete ground. Two times on each side, 12 times in total.
15. Plug-in test: Type-C USB insertion/pullout test for 10,000 times total (5,000 times each). Insertion force ≤ 20N, pulling output ≥ 5N. Appearance and function remain normal.
16. EMI Standards: FCC Part15 class B, EN55032, GB/T9254.
17. EMS standards: EN55035.
18. Safety Compliance: UL62368-1, CSA C22.2 NO.62368-1, IEC62368-1, EN62368-1, AS/NZS 62368.1, GB4943.1.
19. Dielectric Strength (Hi-pot): Primary to Secondary: 3000VAC / 5mA Max / 60 seconds (3 seconds for mass production).
20. Leakage Current: 0.25mA max. at 264Vac / 50Hz.
21. Insulation Resistance: 50MΩ min. at primary to secondary with 500Vdc test voltage.
22. Nontropical Altitude limit: 2000m.
Why Select Us?
- Our power adapters and other power products are widely used in consumer electronics, home appliances, office equipment, medical equipment, industrial equipment, transportation, photography and video equipment, outdoor and emergency equipment, power tools, and other products.
- Welcome your visit to us at any time.
- We use all kinds of equipment to carry out tests like ESD, EMC, lightning surge, temperature rise, mechanical plug tests, IPXX waterproof tests etc.
- Service: Competitive Price, Free Sample, 25 to 40 Working Days Lead Time. It depends on order quantity and the order time.
- Reliable: Completely certificated.
Frequently Asked Questions
What charging protocols does the 20W Type-C USB port support?
The Type-C USB port supports USB Power Delivery (PD) 2.0 and 3.0 protocols with outputs of 5V3A, 9V2.22A, and 12V1.67A. It also supports Quick Charge 2.0/3.0, FCP, AFC, Apple 2.4A, DCP, and Samsung-5V-2A charging protocols.
What safety certificates does this power supply hold?
This power adapter is certified with CB, cULus, FCC, and CE. It complies with major global safety standards including UL62368-1, CSA C22.2 NO.62368-1, IEC62368-1, EN62368-1, AS/NZS 62368.1, and GB4943.1.
What built-in protection features does the power adapter have?
The adapter features Over Current Protection (OCP), Short Circuit Protection (SCP), and Over Voltage Protection (OVP ≤25V). The device will automatically enter hiccup mode during faults and self-recover once the fault condition is removed.
What are the input voltage parameters for global compatibility?
The adapter operates on a wide input voltage range of 100-240VAC (90Vac to 264Vac single phase) and a frequency range of 50-60Hz, making it suitable for international use.
What is the MTBF (Mean Time Between Failures) of this product?
The estimated MTBF is greater than 50,000 hours when operating at an 80% load under an ambient temperature of 25℃.
What testing procedures do your products undergo?
We conduct extensive quality and safety testing using professional equipment, including ESD, EMC, lightning surge, temperature rise, mechanical plug-in (up to 10,000 cycles), and IPXX waterproof testing.


