The Nitecore NL1826/NL186 18650 battery is a high performance rechargeable li-ion battery specially designed for use in high drain Nitecore devices like the Tiny Monster series and other high-powered LED search lights and flashlights. 18650 li-ion rechargeable battery. 2600mAh 3.7V 8.5Wh. Integrated battery overcharge / discharge protection circuits. High discharge performance li-ion rechargeable battery. More than 500 charge-discharge cycles.
Nitecore 18650 Rechargeable Battery 2600mAh