... power ,built-in Solar controller,Battery :output controller protable solar lighting power ,built-in Solar controller,Battery :output controllerModel: SP12-3 Output: DC12VUsage ... : LED Lighting (Replacing the kerosene lamp in no electricity area)Solar Panel: 3W/17.5V (include Wire 10M)Lamp: 1W/12V or ... W LED Lamp 15 hours ;2W LED lamp 7.5hours Portable solar lighting power,charge for light by ...