Fenix ARB-L21-4000P 21700 4000mAh 3.6V Protected High-Drain Lithium Ion (Li-ion) Button Top Battery

Fenix 21700 4000mAh Battery

ARB-L21-4000P

The ARB-L21-4000P is a power-packed li-ion 21700 battery from Fenix that features a whopping 4,000mAh capacity and 500 charge cycles for your favorite flashlight or electronic device. The 18A max discharge rate is ideal for extremely bright flashlights like the Fenix LR35R searchlight with a 10,000 lumen turbo.

This battery can also handle up ot a 4A charge rate, allowing for lightning-quick recharging with a sufficient charger. Multiple forms of overheat, overcharge, over-discharge, and short circuit protection keep you and your devices safe.