With 3W poly-crystalline solar panel With 9W/7W U tube .Waterproof Three powers: 110V/220V AC charge, 12V DC charge and solar panel charge Charge time: AC charge 10hrs, solar panel charge over 12-15hrs Operating time: around 4hrs Built-in rechargeable battery(6V 4AH Lead-Cid battery) unit size:26x13cm Packing:ctn size: 48*33*56 qty: 12pcs/ctn g.w.: 20kg/ctn 1*20FT: 3600pcs