Color Black + Silver + Multi-Colored Brand N/A Model N/A Quantity 1 Piece Material Silicone Cell Type Lithium Ion Battery Model 18650 Actual Capacity 1800 mAh Voltage 8.4 V Rechargeable Yes Rechargeable Times Others500 times 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 2.5 mm Battery Pack Form 2 x 18650 Other Features Water resistant function; Output: 8.4V / 1A Packing List 1 x Battery pack (57cm-cable) 1 x US plug power charger (100~240V / 106cm) 1 x Pouch