... EK,CB,GSCharging ModeCC—CV(Constant Current—Constant Voltage)-LED switchLED DisplayRed----In charging state, Green—Full ChargedEfficiency>= ... ,Over-current protection,Over-voltage protection,Reversal ProtectionApplicationLED Torch Flashlight,LED lamps,Electric Bicycle, Mechanical equipment, Portable Electric Device ... Bus and so on. 16.8V1A lithium battery charger with CE FCC UL ROHS SAA KC PSE