... :1).solar panel : 80w Working voltage :18v(for 12v batteries)2)converter:in put DC 12v/24v,out put 110v/220v3 ... high or lowAppliance :1).it can provides power for lighting and entertainment in remote area, such as lights,fans,laptop ,TV ... is suitable for camping, adventure,exploration,road building and other fields of outdoors performance. foldable solar charger/80w solar system for car/solar system