The Nitecore NL169 16340 battery is a powerful power source with a capacity of 950 mAh and an output voltage of 3.6 volts. Specifically designed for use with power-hungry devices such as Nitecore flashlights, the battery features not only compatibility, but also robust protection. Built-in protection protects against high current spikes, and a microporous insert ensures the safety of delicate internal components. In addition, the Nitecore NL169 battery pack is equipped with a pressure relief valve that automatically responds to a sudden rise in temperature, making it safer to use. With impact resistance and a high-quality protective film, the Nitecore NL169 battery will stand up to demanding conditions. With overcharge, over-discharge and short-circuit protection, the NL169 battery guarantees not only excellent performance, but also long-lasting and safe operation. With two MOS transistors, it also offers the possibility of more than 500 full charge cycles, making it a reliable power source in a variety of situations.