Nitecore has finally made their way to the battery party by offering their own batteries. These rechargeable 18650 batteries are perfect for high drain devices such as the intense LED flashlights from Nitecore, video game consoles, appliances, and more. The 18650 cells are protected from overcharging and discharging, so they can last you a long time. Being able to recharge the cells more than 500 times ensures you'll have power for all of your devices.