Brand N/A Color Black Quantity 1 Type Lithium Ion Model 18650 Mark Capacity 2600mAh Actual Capacity 2600mAh Battery Voltage 8.4 V Rechargeable Yes Rechargeable Times 500 Buitl-in Protected Circuit Yes Over Voltage Protection Yes Short-circuit Protection Yes Over-charging Protection Yes Over-discharging Protection Yes Mercury Free Yes Application Suitable for SKU 222535 / 192055 bicycle light or other flashlight compatible 8.4V; Two 18650 batteries paralleled connection. Other Features Charging socket: 5.5 x 2.1; Cable length: 50cm Packing List 1 x Battery pack 1 x Pouch