Streamlight SL-B50 USB-Rechargeable Lithium-Ion Battery 2 Pack

Item Code: 22112
loading icon
  • Rechargeable At Least 500 Times
  • Charges In 6 Hours
  • Charging Indicator
  • Integrated Safety Circuit Protects From Overcharge/Overdischarge
  • Detail
    Reviews / Q&A

    The Streamlight SL-B50 Li-Ion rechargeable battery pack is designed for select Streamlight products (see below). This rechargeable flashlight 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
    • 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

    Also available as a single.

    WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

    Reviews / Q&A