... avaliable 3.CE certificate 1.8kw Modified Sine Wave power inverter,dc to ac power inverter Specifications ... 110V 230V USB OUTPUT 5V 500mA WAVEFORMModified Sine Wave PROTECTIONOverLoad,OverTemperature,OverVoltage,ShortCircuit,Bat.polarity DC VOLTAGE12V24V48V ... maker, portable vacuum ,etc.2000W:Fridge ,Reversible Drill, washing-machine ,etc.3000W: Water pump ,air conditioner ,etc. 1800w modified sine wave ...