Introducing the Streamlight SL-B9 Battery Pack, a marvel of engineering designed for high-performance weapon lights and flashlights. This lithium-ion battery pack boasts a 3.6V, 850mAh capacity, ensuring long-lasting power and reliability. With an integrated USB-C charge port, it offers the convenience of recharging up to 500 cycles, making it an eco-friendly choice for avid users. Ideal for range time, training, and everyday use, the SL-B9 Battery Pack is a testament to Streamlight's commitment to innovation and quality. Key Features: - Manufacturer: Streamlight - Model: SL-B9 Battery Pack - Product Type: Rechargeable Battery - Power Source: USB-C - Weight: 0.7 oz - Length: 1.36 in - Material: Lithium-Ion - Unique Features: Integrated USB-C charge port, Rechargeable up to 500 cycles, On-board safety control circuit.