Originally Posted by rambo47
I bought the official Sprint car charger at my local Sprint shop, and it works perfectly. Maybe your actual Tour itself is faulty? I get pretty decent battery life with mine.
I'm not using an official car charger, but my Sprint Tour charges fine with the Motorola charger using the mini to micro adapter.
@ the OP - The issues you're having make me think there is an issue with the USB port on the device.