HID flashlight 11.1V 4400mAh/rechargeable Li-ion battery 1.Fast charging 2,500 cycle life 3,High capacity 4,No pollution HID flashlight 11.1V 4400mAh/rechargeable Li-ion batteryBasic Characteristics Nominal Voltage11.1VNominal ... Voltage, platform time consistency is good 6. Simplifying battery management system (BMS) and battery charger 7. With short-circuit production function, safe ...