Brand RUSTU Color Black Quantity 1 Type Lithium Ion Model 26650 Mark Capacity 6000mAh Actual Capacity 6000mAh Battery Voltage 8.4 V Rechargeable Yes Rechargeable Times 600 PCB Protected Board Yes Application Power supply for bicycle light or headlamp Other Features Charging time: 5~6 hours; Universal for T6 / P7 / Z7 / R5 bulb headlight or bicycle light; Provide high mode light 3~3.5 hours for 3 x CREE T6 and high mode light 7 hours for single CREE T6 or SSP P7 bulb; Power cable interface diameter: 5.5mm (outer) 2.1mm (inner). Packing List 1 x Battery pack (65cm-cable)