Fenix ARB-L21-5000-V2

Button Top 21700 Battery

The Fenix ARB-L21-5000-V2 is a 21700-sized button top battery with the button top terminal used by many devices including Fenix flashlights. The 5,000mAh capacity can supply peak runtimes for most electronics and a large energy reserve for high-drain electronics.

Rechargeable Li-Ion Chemistry

State-of-the-art lithium-ion chemistry is rechargeable which means this battery can be used and reused, sustaining 500 charge cycles. Intelligent circuits provide four types of protection including overcharge and over-discharge prevention, as well as defend from short circuits and are triple-guarded against overheating.