Quote:
Originally Posted by AbyssUnderground
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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Not exactly true, it very much depends if the device has built in regulation or not.
Can I suggest that you get a USB in car adaptor and perhaps open it up and wire it directly onto a 12v source (either permenant or ignition switched depending on your requirements) That way you can have a built in USB port that isn't taking up your accessory socket.