Power your high-performance Fenix flashlights with the Fenix ARB-L21-5000 V.2, a 5000mAh rechargeable 21700 Li-ion battery designed for long-lasting reliability. This upgraded version offers enhanced protection circuits, safeguarding against overcharging, over-discharging, and short circuits for optimal safety and performance. With a high energy output and durable steel shell construction, this battery is built for demanding applications, from professional use to outdoor adventures, keeping you powered up when you need it most.
