The NL1665R 16340 Rechargeable Li-Ion Battery from Nitecore has a capacity of 650mAh, 3.6V of output power, and a continuous discharge rate of 2A. The built-in circuit chip protects against excessive charge/discharge and short circuits. It can be recharged over 500 cycles.
The nickel-plated and stainless-steel protectors provide high-impact resistance and the metallic wrapper guards against abrasion. It features pressure relief valve protection and has a built-in PTC to protect against rapid temperature increases and high current surges. 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.