Streamlight SL-B26 USB rechargeable batteries charge via USB source or use a bank charger. Integrated safety circuit protects battery from over-discharge/overcharge. Use the SL-B26 USB battery to power the PolyTac X USB, PolyTac 90 X USB, ProTac90 X USB, ProTac 2L-X USB, ProTac HL-X USB, ProTac HL 5-X USB, Siege X USB, Stinger 2020, Survivor X USB, Vantage 180 X USB.
