Streamlight 20237 SL-B9 Protected Li-Ion USB-C Rechargeable Battery, 2-Pack

The Streamlight SL-B9 is a protected lithium-ion (Li-Ion) rechargeable battery pack designed to power compatible Streamlight flashlights and weapon-mounted lights. This 2-pack provides a reliable, rechargeable alternative to disposable batteries. The battery features a USB-C port for recharging, which takes approximately 6 hours with a standard charger (sold separately). An integrated charge indicator shows red when charging and green when fully charged. The SL-B9 battery is built to Streamlight's professional-grade standards for durability and consistent performance, ensuring sustained brightness throughout the discharge cycle. Users should verify compatibility with their specific Streamlight model before use. Typical applications include use with duty-grade illumination tools for law enforcement, security, military, industrial crews, tradesmen, and everyday carry (EDC) users.