... (unloaded): < 0.3A Conversion efficiency: > 90% Durative output power: 1200W Twinkling maximum power (peak power): 2400W Output waveform: Modified sine ... : It can be used which the power is less than 1200W, such as Office equipment: Laptop computers, mobile phones, printers, ... electricity !Simply connect with 12v/24v Battery as in a Car, Motorcycle, Camper or Boat and use 110v/ 220v electrical ...