... Area Lighting Specifications Solar panel410W, polycrystalline, conversion efficiency 15%Light source100W, individual LEDs, 10,000 lumens, 0.6-2 ... 24V 20A solar charge controllerBattery 24V 200Ah, gel cell deep cycle batteryWorking Time8 ~ 10 hours/day, 2 ~ 3 cloudy ... generation capacity, with a 10-year warrantyl LED light provide super-bright light from little power, need simple thermal management, ...