... usb charging portFeature:1,This product is a device that transfer DC voltage to AC voltage.2,Its designed ... C-50°CWarning:1,Don't use the device when engine is off or the battery will die out ... our suggestion is the power of loading appliancd should be less than 80% rated power of inverter.3,Please use ... over load, short circuit,over heat, over voltage and low voltage, after fault solver, please pull out ...