... high, made of galvanized steelController12V 10A solar charge controllerBattery12V 120Ah, gel cell deep cycle batteryWorking Time8 ~ 10 hours ... 26 feet, 29 feetBatteryGel cell deep cycle battery or standard deep cycle battery, 80Ah, 100Ah, 150Ah, 200AhBattery PositionUnderground, ... monthly electric billsControlled charging to prolong battery service lifeLong-life PV modules with more than 25 years of ...