High-capacity 1250mAh (3.6V / 4.5Wh) lithium-ion rechargeable battery for the PIXA R headlamp. It provides excellent lighting performance, even at low temperatures. It can be recharged without being removed from the headlamp, or externally, via external charging contact points and its charging cable. The CORE PRO rechargeable battery offers an economical solution as the main power supply or as a backup battery.