Fenix 16340 Rechargeable Battery w/ Protection Circuit

ARB-L16-800UP is a 16340 Li-ion rechargeable battery with a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. This battery has its own USB Type-C charging port for quick/ easy charging without the need for a separate charger. The battery also includes multiple levels of protection including overcharge protection, overheat protection, and pressure relief vents which expel waste gas in the rare case of an internal short circuit.