... groundPole26 feet high, made of galvanized steelController24V 10A solar charge controllerBattery12V 80Ah, two gel cell deep cycle batteriesWorking ... half the wattage of high pressure sodium light.Controller: over 8 years of typical operating life, ... capacityEnvironmentally friendly - 100% powered by the sun, solar panels reduce fossil fuel consumption, eliminating pollutionSelf-contained solution ...