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It depends on the Year and Make of your car, some manufacturers will have a power cut off for accessories that will not allow you to use accessories such as cigarette lighters while the car is off. If your car does not have the accessories power shut off feature then leaving things plugged into your car's cigarette lighter will eventually drain your battery. This charger by itself should not drain your battery, but if you are using all the USB ports while the car is off it runs a much higher chance of draining the battery.
Sorry, there was a problem. Please try again later.Auto repair place told me the charger was drawing 10 mA while it is plugged in.
Sorry, there was a problem. Please try again later.Haven’t had the issue with the truck sitting for 2 weeks solid without starting.
Sorry, there was a problem. Please try again later.No it will not drain your car battery. Mine stays plugged in all the time.
Sorry, there was a problem. Please try again later.Yes it draws MINIMAL Ma. Small discharge because the unit has a light on it while it is plugged in.
Sorry, there was a problem. Please try again later.No it doesn't drain my battery as my car completely off when key is removed. All of my charger ports are powered off.
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