How to buy a power adapter？

The working principle and basic composition of the power adapter

The power adapter is a device that transforms the power supply of electronic equipment and electronic appliances, and it is also a bridge between the power supply and the equipment.Its current mode is from AC input to DC output, Power adapters have been widely used，according to the connection mode ，they can be divided into Wall Mount Power Adapter and Desktop Power Adapter.

A complete ac dc power adapter usually consists of transformer, rectifier, filter, input, output, power plug and circuit board and other components. Transformers and rectifiers are the most core components. The circuit board is the key component of the adapter, which is responsible for converting alternating current to direct current and stabilizing the output voltage and current.The transformer plays a role in regulating the voltage to ensure that the output voltage of the adapter matches the requirements of the device.

Select the power adapter precautions

Look for safety certification and identification: When purchasing a power adapter, carefully check whether it  has passed the relevant safety certification. Certification is recognition of product safety and compliance. At the same time, pay attention to whether the logo on the product is clear.

Specifications of the adapter: The specifications of the power adapter required by different devices are usually different. Carefully check the relevant parameters of the ac dc power adapter required before purchase to ensure that the appropriate power adapter is purchased.For example, 36v charger for electric bike, we need to buy a power adapter with a voltage of 36v.

Brand quality and after-sales service: Choose products of well-known brands that have a good reputation and excellent after-sales service. These are the double guarantees of quality and safety.

We should also pay attention to the use of the correct charging method and charging time to avoid overcharging or excessive discharge causing damage to the equipment. Proper selection and usen are essential to protect the safety and stability of the equipment.

 KELIC was established more than 20 years ago, specializing in the development and production of AC/DC Power Adapter, Battery Charger and Industrial Power Supply. Our commitment to quality and customer satisfaction has helped us build a good reputation in the international market.

Production video.