... .Input12/24,output 110/220/230 1200W DC to AC UPS power inverter with Battery Charger, ... 14.5-15.5v Current consumption (unloaded): < 0.3A Conversion efficiency: > 90% Durative output power: 1200W ... is less than 1200W, such as Office equipment: Laptop computers, mobile phones, printers, monitors Household appliances ... , where is no electricity !Simply connect with 12v/24v Battery as in a Car, Motorcycle, ...