3.7V 18650 4000mah Rechargeable Batteries 2 Pack
Weight: 93.00 gDimensions: 2.68 in x 0.71 in x 0.71 in (6.80 cm x 1.80 cm x 1.80cm)Model 18650Capacity (mAh) 4000Rechargeable YesThe UltraFire BRC 18650 rechargeable Lithium battery is equipped with a protection circuit board (PCB) on the negative pole. The PCB can protect the battery from overcharge, over-discharging, overload and short circuit, which can make the battery safer and longer lifespan. The battery is environment friendly and perfect for super bright flash and other devices.- Voltage: 3.7V- Built-in PCB protection board- Package contains 2 batteries