Can I always leave this charger plugged into the cigarette lighter (without a cable) without discharging my car battery? When I plug in a device to charge it, it is clear that consumption occurs. It irritates me when a light is constantly on.

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The light is always on... Can this be quickly changed so that no current flows when the ignition is not on?

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For me, it is also always plugged into the cigarette lighter. In many car models, the cigarette lighter is deactivated when the ignition is switched off. Even if this is not the case for you, the idle power requirement of the USB charger should be negligible compared to the capacity of the car battery.

Answer

I have always had it plugged into the cigarette lighter for a long time. Without any problems.

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Question about Aukey Car Charger Enduro

Can I always leave this charger plugged into the cigarette lighter (without a cable) without discharging my car battery? When I plug in a device to charge it, it is clear that consumption occurs. It irritates me when a light is constantly on.