1.3000W off grid solar system 2.ISO, ... .Six years experience 5.Two years warranty 1.3000W off grid solar system2.ISO,CE,TUV certificate3. ... warranty Summarize This off grid solar power system consists of solar panels, solar inverter&controller machine , battery. The ... current from solar power array through inverter&controllermachine, then store in the battery, through the inverter&controller machine to ...