Fenix Rechargeable 21700 3.6v 5000 mAh Li-ion Battery

Fenix ARB-L21-5000 is a rechargeable, 3.6V 21700 Li-ion Battery with a 5000 mAh capacity. The battery comes with built-in Overcharge, Over-discharge and Short Circuit protection along with three sets of overheat protection: pressure relief, microporous, and PTC cathodal block. The battery also includes pressure relief vents which expel waste gas in the rare case of an internal short circuit preventing an explosion. Ideal for high-intensity flashlights. This is a 5000 mAh high-capacity battery with outstanding performance and a long life with up to 500 charging cycles. Dimensions: Height: 2.99" Diameter: 0.85"