Streamlight 22112 SL-B50 Silver/Black 3.6 Volts 4,900 mAh (2) Single Pack

The SL-B50 protected Li-Ion rechargeable battery pack is designed for select Streamlight products. The battery features a built in USB-C port and charge indicator. Use the SL-B50 battery pack to power the ProTac 2.0, ProTac 2.0 Headlamp, and the ProTac 2.0 Rail Mount. Battery charge status indicators around the port: Red for charging, green for charged. Integrated safety circuit protects batteries from overcharge/over discharge.