How long can a car battery power a 15 watt stereo via a cigarette lighter?
November 29, 2009 | Car
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Re: “How long can a car battery power a 15 watt stereo via a cigarette lighter?”
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15 watts? it will barley affect it as long as your driveing it because you should know that the car recharges the battery when it drives
if you are running it without the car running, it should be fine for a couple of hours. you might want to test it though and make sure your car will still start. it should work, but you just have to be carefull.
id give it a couple hours but i’d start the car every 45 min, hour, or so. just for a few seconds to keep it charged
u cool stop tripin