This Olight RCR123A Lithium-Ion Rechargeable Battery has a capacity of 650mAh and 3.7V of output power; batteries of this type are favorable for high-drain devices. The placement of the positive contacts on the battery and the positive protection circuit protect against over-discharge current, over-discharge voltage, short circuit, and overcharge.
The battery yields up to 500 charge and discharge cycles, and is made to be free from leakage of liquid electrolyte.