I often charge mobile phones in the car. How many do you know about using 5 car chargers?


Nowadays, people can’t do without their mobile phones no matter where they go. Nowadays, mobile phones consume more power. If you don’t use it often, you can charge it every 2 days. If you use it frequently, charging it once a day may not be enough, so many people will be in the car. On, charge the phone. So what should we pay attention to when charging mobile phones in the car?

1. Nowadays cars generally have a USB interface. If not, you can also use a cigarette lighter to charge your mobile phone with a car charger. But everyone should know that whether it is a USB interface or a car charger, its output power is all It is different, generally there are 5V/5A, 5V/2.1A, 5V/1A, 5V/0.5A. If we use 5V/2.1A to charge a 5V2A mobile phone, the mobile phone will charge very quickly. If we use a 5V/0.5A interface to charge, not only the charging will be slow, but the charging device will also heat up after a long time. If it is serious, it will even be damaged. Cause a fire.

2. Some people say that if the car charger is not unplugged, it will damage the car battery. In fact, after the car is turned off, the whole car will be powered off. Even if there are some old models, the car will not be powered off. The charger is still powered on after it is turned off. There is nothing on your charger at this time, so there is no need to worry about damaging the battery.

3. Some cars have multiple USB ports, so I don’t need a car charger. As I said in the first article, the output power of these USB ports is different, so for safety, we still Want to buy a car charger that can charge quickly, at least 5V/2.1A.

4. Will car chargers with multiple interfaces, charging multiple devices at the same time, cause the charging to slow down? In the current car chargers, each interface is independent, and the output voltage is also fixed, so there is no need to worry at all. If you connect multiple mobile phones, the charging speed will slow down.

5. Some friends like to charge the mobile phone when the vehicle is turned off, because it does not cost gas. At this time, charging the mobile phone uses all the electricity in the battery, and the whole car is also in a energized state. After a long time, the battery may be If there is a power loss, it will be troublesome if the vehicle cannot be started.

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