... steelController24V 10A solar charge controllerBattery12V 80Ah, two gel cell deep cycle batteriesWorking Time8 hours/day, 3 ~ 4 cloudy or ... feet, 16 feet, 20 feet, 23 feetBatteryGel cell deep cycle battery or standard deep cycle battery, 80Ah, 100Ah, 150Ah, 200AhBattery PositionUnder ground, at ... flickering and higher brightness than sodium lampsSafe 12 volt/24 volt circuit, no risk of electric shock