Car charger, is a USB car charger: usually referred to as USB car charger. It takes advantage of the versatility of USB and is widely used in various charging interfaces. In this way, DC 5V appliances can be charged using the standard power supply and USB interface on the car. The difference between the car charger and the commonly used charger is the plug - the plug of the car charger is a cigarette lighter type.

Car charger specifications:

Common specifications of USB car charger: Output: 5V DC 500mA; 5V DC 700mA； 5V DC 1000mA； 5V DC 2000mA； It can be found that its current has a variety of specifications. These different current specifications are easy to use and are selected to be applied to different appliances. The bottom end of the car charge is positive, and the contacts on both sides are negative.

Notes:

1. It can only be charged when the engine of the car is started. (Because the voltage will be unstable when the car starts, it will damage the charging mobile phone);

2. Do not use the car charger in a humid environment. At the same time, please do not store the car charger in a humid environment;

3. Buy genuine products. Inferior products are prone to potential safety hazards, avoid unstable on-board power supply, and reduce losses;4. The suitable temperature for the use of the on-board charger is 0-45°C;

5. After charging, pull out the plug in time.