... > Output voltage:110V/220V 3> USB Out 0.5V 150W smart car inverterFeature:Purpose:for play MP3,play MP4,charge up cellphone ... /overheating.The inerter can convert 12V(24v for diesel powered car) DC of automobile to 220v /50HZ AC .and its output ... machine ,video camera ,digital camera etc,and their batteries. 150W smart car inverter