Fenix Li-Ion ARB-L21-5000 V2.0 rechargeable battery
High quality 21700 Li-Ion battery with 5000 mAh capacity. Highly durable. Approx. 500 charging cycles. Protection circuit against overvoltage, undervoltage and short circuit. Perfect for flashlights, for example that of Fenix. Thermally stable. Without memory effect. Weight approx. 74 g.