Built-in USB-C Rechargeable Battery is a 16340 Li-ion 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 and 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 preventing an explosion.
