Rechargeable battery 18650 3.6 V 2,600 mAh. This battery is specially designed for high intensity Fenix flashlights.
The Fenix 18650 battery has a large capacity, excellent performance, high reliability and a compact design. Product Specifications: 2600mAh large capacity battery with outstanding performance. The battery has heat protection. Built to protect it from over charging, or over discharging, with a protection circuit to ensure maximum battery performance.