Thread: Car phone charging - Help.
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Old 21-04-2011, 13:14   #10
AbyssUnderground
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Re: Car phone charging - Help.
Quote:
Originally Posted by haydnwalker View Post
To do this, you NEED to make sure when you take the key out of the ignition, that the power to the Cigarette lighter goes off as well, otherwise you might find your battery dies overnight.

My Audi carries on powering the lighter socket if something is plugged in (which I guess would be the same if it's hardwired into the mains of the car...)
Phone chargers won't kill it overnight, not by far, but something else like a laptop or air freshener certainly will.

Also don't wire up a USB lead directly!!! A car is 12v, USB is 5v. It will fry whatever you plug it into!
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