Fenix 21700 Battery ARB-L21-5000U

Fenix 21700 Battery ARB-L21-5000U

The Fenix ARB-L21-5000U is a 21700 rechargeable battery with a built in USB-C charging port. This battery can also be charged in a compatible charger. All Fenix batteries are manufactured to the highest standards and have multiple safety features such as overvcharge and over discharge protections……$24.95

  • Feature: integrated USB-C charging port

$30.99 $24.95

In Stock


Features of Fenix ARB-L21-5000U Rechargeable 21700 Li-ion Battery:
• 21700 rechargeable li-ion battery with USB-C charging port on the side
• can be charged by using the USB-C port or a compatible charger
    ▹ USB-C cable NOT included
• charging indicator changes from red to green when charging is complete
• 3.6V, 5000mAh, 18Wh
• built in protective circuitry
• sold individually


Battery#: 3.6V, 5000mAh, 18Wh
Origin: Made in China
Warranty: Limited 1 year warranty through Fenix

Part Numbers and UPC Codes

P/N: ARB-L21-5000U; UPC: 6942870369358; Fenix 21700 battery with USB-C charging port, 5000mAh

You May Also Like

Product Accessories


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Fenix 21700 Battery ARB-L21-5000U

  • Please let us know if you would like to see something added to this product page.

    Please feel free to call us directly at 440-942-8318 or toll free 1-888-881-1908.

Fenix 21700 Battery ARB-L21-5000U