... -24V 2.Power:40W 3.With pole,solar panel,battery,controller 4.CE,RoHS LVD,UL approval Specification:Model:ZR-TG040Voltage ... Panel:polycrystalline silicon or monocrystalline siliconGel Rechargeable Battery,maintenance freeAutomatic Intelligent ControllerFull Charging hours: 4-4.5 hours with best sunshineOperating ...