UniqueFire 8.4V 4000mAh Rechargeable Li-ion 4-18650 Battery Pack - Black
Color Black Brand UniqueFire Model N/A Quantity 1 Piece Material li-ion Cell Type Lithium Ion Battery Model 18650 Head Type Flat Top Mark Capacity 4000 mAh Actual Capacity 4000 mAh Voltage 8.4 V Rechargeable Yes Rechargeable Times Others500 Built-in Protected Circuit Yes Over Voltage Protection Yes Short-Circuit Protection Yes Over-Charging Protection Yes Over-Discharging Protection Yes Mercury Free Yes Interface 5.5 x 2.1 x 10 mm Battery Pack Form 4 x 18650 (2S2P) Packing List 1 x Battery pack (57cm)