With the development of science and technology, there have been a lot of fresh products, such as car chargers. When we power off the phone on the road, the car charger has begun to play a huge role! However, if the incorrect use of the car charger is a serious risk, then what we have to say today is that the car charger can be always plugged into the cigarette lighter?

Can always be inserted in the cigarette lighter, no harm to the circuit. The car charger uses a series switching power supply. When not in use, its circuit automatically stops working. So will not affect the work of the circuit. The quiescent current of its circuit is about 1-2mA, which does not have any effect on the circuit. At the same time, when the car is turned off, the cigarette lighter will have no electricity. Therefore, plugging in the cigarette lighter will not affect it.

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