Streamlight SL-B50 USB-C Rechargeable Battery Pack 3.6V 4900mAh

The Streamlight SL-B50 is a protected Li‑Ion rechargeable battery pack designed for select Streamlight flashlights and headlamps. It includes an integrated USB‑C charging port and a multi‑color charge status indicator for quick visual confirmation of charge state. The pack delivers 3.6 volts at 4,900 mAh and incorporates safety circuitry to guard against overcharge and over‑discharge. It is intended for use with select ProTac 2.0 products and related accessories.

Key Specifications

• The model is SL-B50.
• The chemical composition is Lithium Ion.
• The nominal voltage is 3.6 Volts.
• The rated capacity is 4,900 mAh.
• The battery is rechargeable.
• The battery uses a USB-C input and charges in 6 hours.
• The battery has a built‑in charge indicator (red for charging, green for charged).
• The battery includes an integrated safety circuit protecting against overcharge and over‑discharge.
• The package quantity is 1 per pack.
• The battery is compatible with select Streamlight ProTac 2.0 models.

With USB‑C charging, visible status indicators, and internal safety features, the SL‑B50 is a practical replacement battery for users who depend on Streamlight ProTac 2.0 products. Its 4,900 mAh capacity and protected Li‑Ion chemistry provide a reliable, rechargeable power option for routine use and extended operations. The 2‑year limited warranty offers additional peace of mind for long‑term ownership.