In electronic products, an important equipment is power supply. Power supply is an important component connecting electronic products. Therefore, each electronic product must have a supporting power adapter to ensure that the electronic product can be powered on smoothly and ensure the voltage stability during use.

Now there are more and more electronic products in China, and there is an increasing demand for power adapters, so there are more and more manufacturers. Power adapters produced by different manufacturers have different materials, quality and performance.

The increasing development of portable electronic products puts forward higher and higher requirements for the capacity and cycle life of rechargeable batteries. At present, there are four common types, nickel cadmium battery and lead-acid maintenance free battery (SLA), which were widely promoted in the 1960s,

In theory, the smaller the charging current, the better the battery performance. If the charging time is too long, it must be unfriendly to users. Therefore, the general standard for charging is 0.1-0.2c.

Nowadays, with the continuous development of science and technology, new electronic products emerge in endlessly, and many electronic products are inseparable from power adapters. However, for many people, there are many incorrect operations.

Can the power adapter be universal? Many people will ask such a question: is the power adapter universal? The power adapter is also called an external power supply. It is also a voltage conversion device. Power adapters produced by regular manufacturers will have a nameplate with its main information,

What is the difference between a power adapter and a charger? 1. Different components (1) Power adapter: it is an electronic appliance for small portable electronic equipment and power conversion equipment. It is composed of shell, transformer, inductor, capacitor, control chip, printed circuit board, etc.

When replacing the power supply, how to identify the positive and negative poles of the DC output of the power adapter is usually a problem. Generally, the positive and negative poles of the power adapter are indicated on the nameplate. If there is no positive and negative identification of DC output, we can test with a multimeter.

Aircraft is one of the inevitable ways of travel in daily business and travel. However, when many netizens fly, they often want to take some things with them. For example, you can often see a computer charger. Many friends often ask, can I bring a charger before the plane takes off?

Is it dangerous to insert a charger into your hair? In fact, when the mobile phone is charged, the charger heats normally, which is related to the current intensity output by the charger and the ambient temperature.