Brand RUSTU Color Black Quantity 1 Type Lithium Ion Model 18650 (6 pieces) Mark Capacity 3 x 1500 mAh Actual Capacity 3 x 1500 mAh Battery Voltage 8.4V 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 4.5~5 hours for 3 x CREE T6 and high mode light 7 hours for single CREE T6 or SSC Z7 bulb; Power cable interface diameter: 5.5mm (outer) 2.1mm (inner). Packing List 1 x Battery pack (70cm-cable) 1 x Anti-press nylon bag