Fenix ARB-L21-4000P Rechargeable 21700 Battery

Name: Fenix ARB-L21-4000P Rechargeable 21700 Battery
Brand: Fenix
Price: 27.95 USD
Availability: InStock

Price today$27.95in stock

Buy at Fenix Store · $27.95 ↗Compare on Amazon ↗Paid links · Amazon price may differ

Fenix Store links here are paid (affiliate) links to the store whose price is shown: we may earn a commission, at no extra cost to you. "Compare on Amazon" is a paid link. As an Amazon Associate I earn from qualifying purchases. We don't show Amazon prices; check the current price on Amazon. Rankings are pure math.

✉ Email me when the price drops Price drops go out in The Prepper Prices Drop, our free Friday email (beehiiv). Signing up here records this product with your signup.

Price history

Price from Fenix Store's product catalog on impact.com, checked Nov 1, 2026, 6:04 AM ET. History began Oct 22, 2026. Tax and shipping not included.

Deal Meter

Not enough history yet: day 10 of 14. The meter compares today's price with this product's own 90-day median.

More power stations & solar

What Fenix Store says

The ARB-L21-4000P battery supports large current output making it ideal for powering lights and other items that are operated at higher power loads. The maximum current for the ARB-L21-4000P is 18A, with a continuous output current of 10A. The higher current a…

Excerpt from the store's product page.