... DC solar power system(SDC Series) consists of solar panels, controller, battery Description:This listing includes: 1 unit of solar folding panel 60W, with solar ... charging, to charge the battery, etc.2.The portable folding solar panel, voltage is 18V, provide with 12V charge of storage battery ... Current(Im): 3.3A8. Open Circuit Voltage (Voc): 21.609. Solar cell: monocrystalline Remark: the above data ...