120w led street lights 1.Ecofriendly 2.Cost- ... feet, 23 feetBatteryGel cell deep cycle battery or standard deep cycle battery, 100Ah, 150Ah, 200AhBattery PositionUnder ground ... incentivesNo monthly electric billsControlled charging to prolong battery service lifeLong-life PV modules with more ... no running or maintenance costBetter light source - LED lamps feature cool white light without flickering and ...