Although the car charger is an insignificant little thing, it is almost an indispensable car interior. The technical content of the product itself is not high, and there are countless manufacturers. In addition to buying well-known brands and price measurement quality, there should be more choices.
1. Understand the automatic protection function of the car charger
Whether the car charger has overvoltage, overcurrent, overheating, and short circuit protection functions, the shell is best to use ABS flame retardant environmental protection material, which can prevent external combustion and beautiful, hand touch does not leave fingerprints.
1. pay attention to the voltage and current size
When purchasing a car charger, pay attention to the voltage and current of the accessory device. For example, the iphone is 5V/1A, and the tablet and mobile power supply are 5v/2A. Dual USB interface car charger If you charge your phone and tablet at the same time, the total current of the car charger must be at least 3A or more, otherwise the charging speed will not only drop significantly, but also excessive heat or even damage the device.
2. Choose a reliable brand
Reliable brand quality is guaranteed, and the use is also assured, this reason is not to say much. Although the price is generally more expensive than the inferior car charger, if the money is cheap and the quality is wrong, it is definitely a complaint.
3. choose a multi-function car charger
The car charger is usually placed in the cigarette lighter position. If you smoke, buy a car charger with a cigarette lighter function.