Li-Ion USB Rechargeable Battery Pack with Integrated Charge Port

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. Available as a Single Pack or a 2 - Pack
 

• 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/over-discharge
• 3.26 in (8.28 cm); 3.0 oz (85.0 g)
• 2-year limited warranty