Kinfire CE Waterproof 8.4V 6600mAh 2-in-Series 3-in-Parallel 18650 Battery Pack w/ Power Adapter
Waterproof RatingI P68 Power supply for bicycle light or headlamp 2-in-Series 3-in-Parallel Charging time: 3~4hours; Universal for Cree XM-L T6 / L2 / U2 / Z7 / R5 bulb headlight or bicycle light; Provide high mode light 4~5 hours for 3 x CREE XM-L T6 and high mode light 6 hours for single CREE XM-L T6 or SSC Z7 bulb U.S. regulatory charger voltage :100-240V Electric current:1000mA