The ARB-L18-3400mAh 18650 battery has built-in features to prevent short circuits and designed multiple layers of protection within it. With the new button-top design, the new 18650 series better accommodates a variety of flashlight brands. 18650 batteries are perfect for powerful Fenix LED flashlights since they are rechargeable, have a long battery life, and can handle the power requirements of advanced LED flashlights.
Note: This battery is priced and packed as a single unit - one battery.