... controller :12V,10A battery :12V, 9AH. Small Solar Energy SystemMain Specification:Solar Panel:10WSolar Panel Size:40cm*20cmBattery: 12V/9AHSolar ... 40W): 2hoursFan(12W): 8hoursLight(20W) :5hoursPackageContents:Main system, Solar Panel, LED Light(12V2W)(optional), Fan(DC 12V,10W)(optional), , Mobile ... !5.For light load, please use DC light and contract with the DC out put.6.When the solar home system ...