Fenix ARB-L18-4000U High-Capacity USB Rechargeable 18650 Battery - 4000mAh

Name: Fenix ARB-L18-4000U High-Capacity USB Rechargeable 18650 Battery - 4000mAh
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

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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.

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What Fenix Store says

The Fenix ARB-L18-4000U High-Capacity 18650 Battery boasts a built-in USB-C charging port and a top-of-the-line 4000mAh rating, ensuring, convenience, top-notch performance, and dependability. With built-in safeguards such as short-circuit prevention and multi…

Excerpt from the store's product page.