The Streamlight SL-B34 is a rechargeable lithium-ion battery pack designed for compatible Streamlight flashlights, including the MegaStream series. Its integrated USB-C charging port and charge-status indicator provide a convenient replacement or spare battery solution.

Key Specifications

• The battery uses lithium-ion technology for compatible Streamlight lighting products.
• The battery provides a 3.6V output.
• The battery has a capacity of 3500mAh.
• The integrated charging port uses USB-C.
• The battery charges in approximately 5 hours.
• The charge-status indicator shows red while charging and green when charged.
• An integrated safety circuit helps protect against overcharge and over-discharge.
• The package includes one battery.
• The battery fits MegaStream series lights and select Streamlight flashlights that use SL-B34 battery packs.
• Reported runtime in the MegaStream is up to 13 hours.

The SL-B34 offers a practical way to keep compatible Streamlight lighting equipment powered with a dedicated rechargeable battery, built-in USB-C charging, and clear charging-status feedback.