High capacity 21700 Li-ion USB rechargeable battery designed for increased power and extended runtimes.
Features a built-in USB-C charging port for convenient charging without the need for a separate charger.
Includes a protection circuit in the anode to prevent short circuits, overcharge, and overheating.
Equipped with pressure relief vents to expel waste gas in the rare event of an internal short circuit, preventing explosions.
Battery has a capacity of up to 5000mAh and can endure 500 charging cycles.
Compatibility limited to flashlight models that support 21700 batteries.
Please note that a USB-C charging cord is not included.
Important: This battery is not compatible with 18650 flashlights or older-style chargers. Compatible chargers include the FENIX ARE-A2, ARE-A4, ARE-D1, or ARE-D2.