10W Small Solar Energy System controller :12V,10A battery :12V, 9AH. Small Solar Energy SystemMain Specification:Solar Panel:10WSolar Panel Size:40cm*20cmBattery: 12V/9AHSolar input 18V5ADC Output:12V*4DC ... (12W): 8hoursLight(20W) :5hoursPackageContents:Main system, Solar Panel, LED Light(12V2W)(optional), Fan(DC 12V,10W)(optional), , Mobile Charging Output Line(optional ...