CyberPower CPS160SI AC Mobile Power Inverter/Converter, 12VDC to 120VAC, 160W, Slimline for $29.99

The AC Mobile 160SI Inverter converts 12v DC automobile power to standard 120v AC home power - up to 160 watts. Simply plug the inverter into a 12v DC outlet (cigarette lighter outlet) and you¿re ready to go. It is equipped with 2 (two) 120v outlets for running multiple devices at the same time, and also has a convenient USB port for charging cell phones, MP3 players, and digital cameras.