Power up your Fenix flashlight with our range of reliable and high-performance batteries. Our selection includes rechargeable high-output lithium-ion batteries that are designed to provide long-lasting power for your flashlight. Whether you're heading out for a camping trip, a night hike, or simply need a reliable source of light, our batteries are an essential accessory for your Fenix flashlight.
![](https://s3.ca-central-1.amazonaws.com/fenixtactical.io/images/products/fenix/fenix-arb-l21-5000-v2.0-1/fenix-arb-l21-5000-v2.0-1-1024-001.jpg)
Fenix ARB-L21-5000 V2.0 21700 Li-ion Rechargeable Battery
View details![](https://s3.ca-central-1.amazonaws.com/fenixtactical.io/images/products/fenix/fenix-arb-l21-5000u-1/fenix-arb-l21-5000u-1-1024-001.jpg)
Fenix ARB-L21-5000U 21700 Li-ion USB Rechargeable Battery
View details![](https://s3.ca-central-1.amazonaws.com/fenixtactical.io/images/products/fenix/fenix-arb-l18-3500u-1/fenix-arb-l18-3500u-1-1024-001.jpg)
Fenix ARB-L18-3500U 18650 Li-ion USB Rechargeable Battery
View details![](https://s3.ca-central-1.amazonaws.com/fenixtactical.io/images/products/fenix/fenix-arb-l18-1100-1/fenix-arb-l18-1100-1-1024-001.jpg)
Fenix ARB-L18-1100 Rechargeable 18350 Li-Ion Battery
View details![](https://s3.ca-central-1.amazonaws.com/fenixtactical.io/images/products/fenix/fenix-arb-l16-800up-1/fenix-arb-l16-800up-1-1024-001.jpg)