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
• 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