Color White + Blue + Multi-Colored Brand GD Model N/A Quantity 2 Piece Material Li-ion Cell Type Lithium Ion Battery Model 18650 Head Type Button Top Mark Capacity 2800 mAh Actual Capacity 2500 mAh Voltage 3.7 V Rechargeable Yes Rechargeable Times Others Built-in Protected Circuit No Over Voltage Protection No Short-Circuit Protection No Over-Charging Protection No Over-Discharging Protection No Mercury Free Yes Other Features Widely used in various fields such as laptop computers digital cameras DVD players LED flashlight electric toys mobile power supplies. Packing List 2 x 18650 batteries 1 x Battery box