Streamlight

Streamlight SL-B9® Li-Ion 850mAh USB-C Rechargeable Battery Pack - 2 Pack 20237

$26.95 $33.60 19% Off

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  • 763 In stock

STRE-20237

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Product Summary

Power your high-performance weapon lights with the Streamlight SL-B9® Li-Ion USB-C Rechargeable Battery Pack. Featuring fast charging, built-in safety controls, and a convenient charge status indicator, these 850mAh batteries offer up to 300 recharge cycles. Enjoy peace of mind and uninterrupted performance with this easy-to-use 2 pack—perfect for anyone who needs reliable, on-demand power.

Ships from: MI

Country of Origin: CN

MPN: 20237

UPC: 080926202375

Streamlight SL-B9® Li-Ion 850mAh USB-C Rechargeable Battery Pack - 2 Pack (20237)


Power Your Weapon Lights with Confidence


Do your weapon lights lose power at the worst time? The Streamlight SL-B9® Li-Ion 850mAh USB-C Rechargeable Battery Pack, 2 Pack (20237), is a reliable solution for anyone needing dependable, rechargeable energy. Designed for multi-fuel, high-performance weapon lights, this battery pack gives you the ability to recharge quickly and use your lights longer. Each purchase includes two protected lithium-ion batteries that ensure you are always ready.

Rechargeable, Safe, and Convenient


The SL-B9® battery pack is engineered for user safety and convenience. Each battery provides 3.6 volts and 850mAh of power and includes an on-board safety control circuit to prevent accidents. With an integrated USB-C charge port, you can recharge each battery up to 300 times. The status indicator, built into the top of each battery, helps you monitor charging progress: red signals charging, green signals full. Fast charging allows a complete recharge in just 2.5 hours.

Key Features:

  • Battery Type: Protected lithium-ion rechargeable battery pack

  • Voltage: 3.6V

  • Capacity: 850mAh

  • Safety: On-board safety control circuit

  • Recharge Cycles: Up to 300 times

  • Charging Port: Integrated USB-C

  • Charge Time: 2.5 hours

  • Charge Status Indicator: Red (Charging) / Green (Charged)

  • Pack Size: 2 batteries

  • Length: 1.36 inches (3.45 cm)

  • Weight: 0.70 ounces (19.84 grams)

  • MPN: 20237

Important: Do not use the SL-B9® battery in firefighting apparatus or in fire situations. Do not expose the battery to temperatures above 140°F (60°C) to avoid explosion, burn, and fire hazards.

The Solution for Uninterrupted Power


If you are frustrated by disposable batteries that fail in critical moments, this rechargeable battery pack is your answer. You get a lasting, eco-friendly, and safe power source for your weapon lights. Save money over time and cut down on waste, all while staying ready for action.

Stay prepared with the Streamlight SL-B9® Li-Ion 850mAh USB-C Rechargeable Battery Pack. Order your 2-pack today and enjoy the benefits of fast, safe, and reliable energy.



Frequently Asked Questions


Q: Can I use these batteries in firefighting equipment?

A: No. These batteries are not safe for firefighting apparatus or fire situations.

Q: How do I check if the battery is fully charged?
A: The built-in indicator on top turns green when fully charged.

Q: What is the recharge time?
A: Each battery charges in 2.5 hours.

Q: How many times can I recharge each battery?
A: Each battery is rechargeable up to 300 times.

Q: What port do I use to recharge the battery?
A: The battery has an integrated USB-C charging port.


MPN: 20237

UPC: 080926202375

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