An amazing product, well actually a simple product but in a very sensible shape. In almost all cars the cup holder is right next to the power socket and what best place to have a USB and AC converter than the cup holder itself. Images from Amazon.com Amazon.com: Power Line 0900-66 200-Watt Coffee Cup Inverter [...]

Belkin : AC Anywhere DC – AC Inverter. Running out of power is a thing of the past with the AC Anywhere. Simply plug the unit into any 12-volt DC vehicle cigarette lighter socket and the AC Anywhere converts your vehicle’s battery power to 230 volts AC (common household current.) The AC Anywhere is perfect [...]