Description
The Streamlight SL-B50 protected Li-Ion rechargeable battery pack is designed for select Streamlight lighting products and provides onboard USB-C charging with visible charge indicators. Rated at 3.6 Volts and 4,900 mAh, the SL-B50 is rechargeable for repeated cycles and includes integrated safety features to help protect the cell. This listing is for a two-pack of SL-B50 battery packs compatible with select ProTac series lights and other approved Streamlight models.
Key Specifications
- The nominal voltage is 3.6 Volts.
- The rated capacity is 4,900 mAh.
- The battery is listed as Yes for rechargeable.
- The specified charge time is 6 hours using a USB-C input.
- The built-in charging connector is a USB-C input.
- The battery charge status is indicated by Red for charging and Green for charged.
- The unit includes an integrated safety circuit to protect against overcharge and over-discharge.
- The length measures 3.26 in (8.28 cm).
- The weight is 3.0 oz (85.0 g).
- The pack quantity is listed as (2) 1 PK.
Compact and user-focused, the SL-B50 two-pack delivers on-board USB-C charging, clear status indication, and built-in protection for routine use with compatible Streamlight lights. Its combination of capacity, convenient charging, and safety circuitry provides a practical power solution for field use and everyday carry illumination needs.





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