FENIX 5000MAH USBC 21700 RCHRGBL BAT

FENIX USB-C Rechargeable 21700 Battery, USB-C Charging Port, 5000mAh, 3.6V, Black FX-ARBL215000U
The Fenix ARB-L21-5000U is a high-capacity 21700 rechargeable Li-ion battery delivering 5,000mAh of reliable power for high-drain flashlights and gear. Equipped with a built-in USB-C charging port, you can recharge it quickly with common USB-C cables no separate charger required. Ideal for extended runtime and convenience.