Roadpro RPPI-100USB 80/100 Watt DC to AC Power Inverter with USB Outlet USB outlet powers and charges most electronic devices with 3 prong grounded AC receptacle 80 watts continuous power, 100 watts AC power output Compact, lightweight and plugs into any vehicle cigarette lighter socket Powers iPod, cell phone and digital camera chargers and more The USB Outlet is 0.5 amperes