Fenix ARB-L18-4000 - 18650 Rechargeable Li-ion Battery - 3.6V - 4000mAh - Orange

The Fenix ARB-L18-4000 is a premium, high-capacity 4000mAh 18650 Lithium-ion battery engineered for high-intensity flashlights and demanding electronic devices. Designed with safety in mind, it features a built-in protection circuit to prevent overcharging, over-discharging, short circuits, and overheating. With a stable 7A output and pressure relief safety vents, this button-top battery ensures reliable, long-lasting performance. It supports up to 500 charge cycles, making it an excellent choice for consistent, high-drain usage. Please measure your device's battery tube before purchase, as this protected cell may be longer than standard unprotected batteries.