China OEM Power Adapter Manufacturers Suppliers Factory - OEM Power Adapter in Stock

Our Factory

Cenwell Technology is founded in 2012. Our factories are located in Longhua, Shenzhen and Huicheng, Huizhou. Cenwell occupies an area of 10000 square meters. We specialize in switching power adapter and chargers with our own R&D dept. and production dept. Our products are widely used in home appliance, security, telecommunication and mobile industries.

5W-300w Open Frame Power Supply
Open frame power supplies are essential components in various electronic applications, offering efficient power conversion in a compact form factor. Cenwell provide open frame power supplies ranging
Din-Rail Power Supply
Model: 50W-C02. Rated input voltage: 100Vac-240Vac. Rated input frequency: 50Hz/60Hz. Input current: 1.2A max. Inrush current: 50A
Gun Mounted Car Charger
Input voltage: 10Vac~36Vac. Output:12V. Color: Black, White. Material: PC material. Meet CB/ RoHS&Reach requirements
65W GaN
Rated input voltage: 100Vac-240Vac. Rated input frequency: 50Hz/60Hz. Input current: 1.2A max. Inrush current: 50A. Output voltage range: 3.3-20.0V
45W GaN PD Charger
Rated input voltage: 100Vac-240Vac. Rated input frequency: 50Hz/60Hz. Input current: 1.2A max. Inrush current: 50A. Output voltage range: 3.3-20.0V

Why Choose Us

Our Team

Cenwell owns professional R&D team, experienced management team, skillful workers and advanced production/test equipments.

Our Certificate

CE, GS, UKCA, UL, ETL, FCC, cUL, PSE, C-tick, SAA, KC, KCC, BSMI, BIS, CCC, CB, RoHS, Reach, Russia EAC certification, Brazil INMETRO certification etc.

OEM Service

Asides from novel and versatile products, we have plenty of other ways to help you highly impress your customers. Various OEM services are available to promote your company.

Global Service

Our products are exported around the world. We supply good quality and perfect design products to our customers with reasonable prices. We accept the customized order.

Input Voltage	100-240v AC	Frequency	50-60 Hz
Input Current	≤2.0A	Efficiency	≥87%
Output Voltage	12v	Turn On Time	≤3s
Output Current	5a	Soft Start	Yes
Inrush Current	30A/100VAC 75A/240VAC	Hold Up Time	≥8.3ms
Ripple & Noise	250mV	MTBF	＞100,000 Hours
Storage Temp	-20-85°C	Operating Temp	0-40℃
Storage RH	5%-95%	Operating RH	10%-90%
Load Regulation	±5%	Default Material	ABS+ PC ( Fireproof )
Line Regulation	±1%	Default Plug	DC Plug
SCP/OVP	Yes	OCP/OPP	Yes
OTP	Optional	Warranty	24 Months

OEM Power Supply Product Categories

1. AC-DC Power Adapters & Chargers
Applications: Consumer electronics, medical devices, industrial automation.
Certifications: UL, IEC, Energy Star, DOE Level VI.
Customization: Programmable voltage output, smart monitoring.

2. DC-DC Power Converters
Applications: Telecom, automotive, EV charging.
Features: Wide input voltage range, high efficiency, compact design.

3. PoE (Power over Ethernet) Solutions
Applications: Networking, IP cameras, wireless access points.
Products: PoE injectors, midspans, splitters.

4. High-Power Industrial & Medical Power Supplies
Applications: Medical imaging, industrial robotics, smart grids.
Certifications: IEC 60601 (medical), MIL-STD (military), IP-rated enclosures.

5. EV Chargers & Smart Energy Solutions
Applications: Electric vehicle charging, renewable energy.
Customization: Smart charging protocols, bidirectional power flow.

Key Features of 45W GaN PD Charger

1. Fast Charging (PD - Power Delivery)

Supports USB-C Power Delivery (PD) for rapid charging of compatible devices, such as smartphones, tablets, and laptops. Can charge a MacBook Air, iPad Pro, or high-end smartphones like the latest iPhones and Samsung Galaxy devices.
2. GaN Technology

Smaller & More Efficient: GaN-based chargers generate less heat and allow for smaller and lighter designs compared to traditional silicon chargers.

Better Power Efficiency: Uses less power while providing high-speed charging.
3. Wide Compatibility

Works with USB-C devices, including laptops (MacBook Air, Dell XPS 13, etc.), smartphones, tablets, gaming consoles (Nintendo Switch), and accessories. Supports multiple charging protocols like USB-PD, Quick Charge (QC), PPS, and more depending on the model.

4. Port Options

Some models come with single USB-C or dual USB-C & USB-A ports for charging multiple devices at once.

5. Compact & Travel-Friendly

Thanks to GaN, many 45W chargers are small and lightweight, making them ideal for travel.

Features to Consider

Wattage

Look for a charger that meets your device's power needs. Higher wattages are better for power-hungry devices like laptops.

Number of Ports

More ports mean you can charge multiple devices simultaneously.

Device Compatibility

Ensure the charger supports all your devices, especially if you have diverse gadget requirements. This includes checking if the charger supports specific fast-charging protocols.

FAQ

Q: Do you have certificates for your products?

A: Yes,we have UL,ETL,FCC,RoHS,CE,KC,SAA, PSE,REACH and DOE Level VI Standard Certifications.

Q: What is your samples lead time or goods delivery time?

A: Samples time about 3 working days,goods time about 12 working days.

Q: Can we print our logo?

A: We can print your logo on both power adapter and package.

We're professional OEM power adapter manufacturers and suppliers in China, providing high quality customized products with low price. Please feel free to wholesale cheap OEM power adapter in stock here from our factory. Contact us for free sample.

Gun Mounted Car Charger, 5W 300w Open Frame Power Supply, Din Rail Power Supply