ARB-L18-3400U V3.0 Built-in USB Rechargeable Battery

The ARB-L18-3400U V3.0 is a high-capacity 18650 Li-ion USB rechargeable battery with a protection circuit in the anode to help prevent short circuits. overcharge/discharge. and overheating. 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 pressure relief vents that expel waste gas in the rare case of an internal short circuit preventing an explosion.

USB charging cord is NOT included.