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Does a car battery drain if you leave an electronic device plugged into the cigarette lighter?

Will a car battery wear down if you leave an electronic device plugged into the cars cigarette lighter?
April 20, 2013


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If the cig lighter is powered directly without the key inserted, and some accessory is plugged in, then yes, it could drain out the battery in some time.
If the engine is running, then there should be no problem. If the cig lighter powers on by the key then ensure you don’t leave it on for a long time. My source - http://www.automotix.net/autorepair/diy/

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