Advantage 1,Long lifespan,high luminance 2,Factory price,short delivery time 3,Durability and protection 4,With CE&RoHS SpecificationModleXY-8511Light SoureUltra brightness LedSolar panelImported monocrystal siliconBatteryMaintenance-free lead-acid battery/Ni-MH environmental protection batteriesControllerIntelligent digital controller(light control time control,overcharge and over discharge ...