Streamlight SL-B50 Protected Li-Ion USB-C Battery Pack of 2 (22112)
_
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.

Features:

Use the SL-B50® battery pack to power the ProTac® 2.0, ProTac® 2.0 Headlamp, and the ProTac® 2.0 Rail Mount
3.6V, 4900mAh, rechargeable at least 500 times
Charges in 6 hours using USB-C input
Battery charge status indicators around the port: Red for charging, green for charged
Integrated safety circuit protects batteries from overcharge/overdischarge
3.26 in (8.28 cm); 3.0 oz (85.0 g)
2-year limited warranty