Cautions for Use of Vehicle Charger

With the development of science and technology market, smart phones are basically one per capita, especially with the development of vehicle interconnection technology in recent years, the connection between mobile phones and cars is becoming closer and closer, which directly leads to the faster consumption of mobile phone power, so vehicle chargers emerged as the times require, and quickly spread to most car owners. However, the quality of products is not good enough, and most of the owners use improper ways to cause vehicle losses.


1. Do not insert car charge before starting, lest the voltage damage the car charge when starting.

2. When the car owner is in use, do not use strong chemicals, detergents, strong detergents to clean the charger. Because this will seriously damage the function of the vehicle charger.

3. Pay special attention to not throwing, landing, knocking or shaking the charger at will in the course of using, and do not use the charger when the vehicle is standing for a long time in summer and the temperature in the vehicle exceeds 45 C, which will seriously damage the circuit board inside the charger.

4. As one of the electronic products, car chargers should be careful not to be exposed to humid air because of inadvertent water intake or long-term use, which will cause varying degrees of corrosion or oxidation of their internal electronic components.

5. The vehicle charger should be unplugged and placed after the vehicle is out of fire. Although 80% of vehicles are powered off by cigarette lighters after the key is removed, some of them are powered continuously.


The requirement of USB specification for current overload protection should not exceed 5A. The reason why vehicle chargers need overload protection is that when the output current is too large and exceeds its normal output value, the life of charger components will be shortened or the temperature will be too high to cause damage or even combustion. Therefore, the vehicle charger used in the car must have overload protection measures.


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