Nitecore NL1665R (650mAh) 16340

The rechargeable Li-Ion Battery from Nitecore has a capacity of 650mAh, 3.6V of output power and a continuous discharge rate of 2A.

To charge the battery, use any of Nitecore's compatible smart chargers or the battery's built-in micro-USB port. During the charging process, the battery displays a red indicating light, and when the cell is fully charged, the light turns green. The built-in circuit chip protects against excessive charge/discharge and short circuits. It can be recharged over 500 cycles.