Desktop Power Adapter

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.

24V10A 240W AC-DC Desktop Power Supply Adapter
Type: AC-DC Desktop power adapter. Material: PC Fireproof Material. Input: 1) 100-240V~, 50/60Hz, 3.5A Max. 2) 200-240V~, 50/60Hz, 3.5A Max. Output Voltage: 24V. Output Current: 10A
12V3A 36W C8 AC-DC Desktop Power Adapter
Type: AC-DC Desktop power adapter. Material: PC Fireproof Material. Input: 1) 100-240V~, 50/60Hz, 1.2A Max. 2) 200-240V~, 50/60Hz, 1.2A Max. Output Voltage: 24V. Output Current: 3A
36V6.66A 240W AC-DC Desktop Power Adapter
Type: AC-DC Desktop power adapter. Material: PC Fireproof Material. Input: 1) 100-240V~, 50/60Hz, 3.5A Max. 2) 200-240V~, 50/60Hz, 3.5A Max. Output Voltage: 36V. Output Current: 6.66A
20V3A 60W 72W AC-DC Desktop Power Adapter
Type: AC-DC Desktop power adapter. Material: PC Fireproof Material. Input: 1) 100-240V~, 50/60Hz, 1.8A Max. 2) 200-240V~, 50/60Hz, 1.8A Max. Output Voltage: 20V. Output Current: 3A
24V3A 72W AC-DC Desktop Power Adapter
Type: AC-DC Desktop power adapter. Material: PC Fireproof Material. Input: 1) 100-240V~, 50/60Hz, 1.8A Max. 2) 200-240V~, 50/60Hz, 1.8A Max. Output Voltage: 24V. Output Current: 3A
24V2.5A 60W 72W AC-DC Desktop Power Adapter
Type: AC-DC Desktop power adapter. Material: PC Fireproof Material. Input: 1) 100-240V~, 50/60Hz, 1.8A Max. 2) 200-240V~, 50/60Hz, 1.8A Max. Output Voltage: 24V. Output Current: 2.5A
12V5A 60W 72W AC-DC Desktop Power Adapter
Type: AC-DC Desktop power adapter. Material: PC Fireproof Material. Input: 1) 100-240V~, 50/60Hz, 1.8A Max. 2) 200-240V~, 50/60Hz, 1.8A Max. Output Voltage: 12V. Output Current: 5A
18V4A 72W AC-DC Desktop Power Adapter
Type: AC-DC Desktop power adapter. Material: PC Fireproof Material. Input: 100-240VAC ± 10%; 50/60Hz; 1.2A Max. Output Voltage: 18V. Output Current: 4A
24V2A 48W AC-DC Desktop Power Adapter
Type:Desktop power adapter. Material;PC Fireproof Material. Input;100-240VAC ± 10%; 50/60Hz; 1.2A Max. Output Voltage;24V. Output Current:2A
18V3A 54W AC-DC Desktop Power Adapter
Type:Desktop power adapter. Material;PC Fireproof Material. Input;100-240VAC ± 10%; 50/60Hz; 1.2A Max. Output Voltage;18V. Output Current:3A
12V5A 60W Desktop Power Adapter
Type:Desktop power adapter. Material;PC Fireproof Material. Input;100-240VAC ± 10%; 50/60Hz; 1.2A Max. Output Voltage;12V. Output Current:5A
72W Desktop Power Adapter (100-240V, 90% Efficiency)
Type:Wall power adapter. Material:PC Fireproof Material. Input;100-240VAC ± 10%; 50/60Hz; 1.8A Max. Output Voltage:5.0-56.0V. Output Current;0.01-6A

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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.

Desktop power adapters are designed for powering a wide range of electronic equipment when placed on a flat surface, such as a desk or tabletop. They offer flexibility and easy access, allowing users to connect and disconnect devices without the need for wall mounting. Desktop power adapters are suitable for portable electronics like laptops, smartphones, and various gadgets due to their mobility. They often come with multiple ports and connectors to accommodate diverse devices and may include features like surge protection.

Product Name	42W desktop power adapter, 42W desktop AC/DC adapter, 42W desktop power supply
Type	Desktop power adapter
Material	PC Fireproof Material
Input	100-240VAC ± 10%; 50/60Hz; 1.2A Max
Output Voltage	4.2-24.0V
Output Current	0.01-5A
Output	Such as 12V 3A, 9V4A, 12V3.5A, 24V1.5A etc. Or consult us for specific voltage and current to see if it can be customized or not
Working Temperature	-40℃ to +50℃
Inlet	C8/ C14 inlet or attached with AC power cord
Connector Size	5.52.5/5.52.1/4.01.7/3.51.35/2.5*0.7/Micro/Mini/Type-C/USB-A or others.
Protection	Over-temperature protection,over-voltage protection, over-current protection, short circuit protection
Advantages	Ultra-small size, light weight, streamline, fully sealed and easy to carry Low-cost design, high reliability, ultrasonic lamination, fireproof housing constant voltage mode, high precision, low noise
Certificates	CCC/UL/ETL/CE/GS/FCC/CB/KC/KCC/PSE/cUL/SAA/C-Tick/GEMS/MEPS/UKCA/NOM/RCM/BIS/BSMI/ROHS/REACH
Energy efficiency	ERP/DOE/GEMS/CEC-VI standard CoC Tier 2
Safety standards	IEC62368, IEC60335, IEC61558, IEC1310, IEC61347
Package	(1)Specialized shipping box for sample. (2)PE bag package in outer carton with die cut cards protection for bulk order. (3)Provide customized service.
Usage	Intelligent home appliance	Beauty machines	Consumer electronics	Sports equipment
	Sweeping robots, air purifier, led lamps, cctv camera, mini fan, massage chair,massage pillow,etc.	Facial machines, hair removal device, etc.	Tablet, laptop, switch, set top box, electronic musical instrument, etc.	Massage gun, E-bike, scooter, etc.

Advantages of Desktop Power Adapters

Portability

Desktop power adapters are designed to be placed on a desk or any flat surface, providing you with the flexibility to move and position them as needed. This makes them ideal for devices like laptops, smartphones, and other portable electronics.

Compatibility

Many desktop power adapters come with multiple ports and connectors, making them suitable for various devices. They are also generally compatible with a wider range of devices due to their flexible nature.

Easy Access

With a desktop adapter, you have easy access to the power source, allowing you to quickly plug in and unplug your devices without the need for any installation or wall mounting.

Adaptability

Desktop adapters can easily accommodate different voltages and plug types, making them suitable for international travel or for use with devices from different regions.

Components and Design

Input and Output

Most desktop power adapters consist of an input cord to connect to a power outlet and an output cord that connects to the device. The input voltage and current ratings vary based on geographical regions and power standards.

Transformer and Rectifier Circuit

Inside the adapter, a transformer modifies the input voltage, followed by a rectifier circuit that converts AC to DC. This conversion is essential as most electronic devices require DC to function properly.

Voltage Regulation

Sophisticated adapters incorporate voltage regulation circuits to ensure a steady and stable output voltage, crucial for the safe and optimal operation of connected devices.

Cooling System

Some adapters employ cooling systems like fans or heat sinks to dissipate heat generated during the conversion process, preventing overheating and ensuring longevity.

How Does a Desktop Power Adapter Work?

Step-down Transformation

The adapter first steps down the high voltage from the mains to the required voltage suitable for the device. For instance, from 110V or 220V AC to 12V, 19V, or any other specific DC voltage.

Rectification

After the transformation, the AC is converted to DC using diodes in a process called rectification. Diodes allow the current to flow in one direction only, converting the alternating current into a direct current.

Filtering and Regulation

Capacitors within the adapter filter the output, smoothing the DC signal. Regulator circuits then maintain a consistent voltage output, minimizing fluctuations and ensuring a steady power supply to the connected device.

Safety Features

Many adapters integrate safety features such as over-voltage protection, over-current protection, and short-circuit protection to safeguard both the adapter and the connected device from potential damage.

FAQ

Q: What's the price?

A: The price gap is very big for different specification,so i can only quote you after knowing your product details.

Q: Do you offer FREE samples for testing?

A: 3 free samples, but freight charge will be required, or any of your account.

Q: Can we print our logo?

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

Q: Is sample orderacceptable? If yes, sample lead time?

A: Yes, sample order acceptable. Sample lead time is 3-7 days if no special requirements.

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

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