I would expect the satnav to kill an android phone in a couple of hours but that would be unplugged......
I'm guessing your car charger isn't putting out a great deal of current. What's it rated at?
I read somewhere that using the satnav uses ~700mv of power, but my car charger is rated at 1000mv, so I wouldnt have expected it to charge much, especially with the screen on, but didn't expect it to lose charge.
If my charger is actually 1000mv, that would mean the screen is using about 300-400mv's, on 30% brightness.
Does anyone have a car charger that didnt cost
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