Brand SingFire Color White + Green Material Lithium Quantity 1 Type Lithium Ion Model 26650 Mark Capacity 5000mAh Actual Capacity 4000mAh Battery Voltage 3.7 V Rechargeable Yes Rechargeable Times 500 Buitl-in Protected Circuit No Over Voltage Protection No Short-circuit Protection No Over-charging Protection No Over-discharging Protection No Mercury Free No Application For flashlight and other electric products Other Features High capacity rechargeable battery; The SingFire BRC 3.7V 26650 5000mAh rechargeable Lithium battery with safer and longer lifespan. The battery is environment friendly and perfect for super bright flash and other devices; Size: 66 x 26mm (+/- 1mm) Packing List 1 x 26650 battery