Product Description The Streamlight SL-B9 is a protected lithium-ion rechargeable battery pack designed for dependable power and easy charging. Each cell features an integrated USB-C charge port and on-board safety circuitry to protect against overcharge and overdischarge. With a nominal 3.6-volt output and approximately 850mAh capacity, these cells recharge in about 2.5 hours and include a built-in status indicator that shows red while charging and green when fully charged. This package includes eight batteries, providing ample spares for extended use or multiple devices. Product Highlights Integrated USB-C charging port on each battery for cord-direct recharging Protected Li-Ion design with safety circuit to prevent overcharge and overdischarge 3.6V output, approximately 850mAh capacity; rechargeable up to 300 cycles LED charge-status indicator on the battery (red = charging, green = charged) Convenient 8-pack for backups and multi-device kits Specs Chemistry: Lithium-Ion (rechargeable) Battery Size/Form Factor: 16280 Nominal Voltage: 3.6V Capacity: ~850mAh Recharge Cycles: Up to 300 Charge Time: Approximately 2.5 hours Charging Interface: USB Type-C (on-board port) Color: Silver/Black Quantity in Package: 8 batteries Weight: ~0.71 oz each UPC: 080926202382 MPN: 20238 Brand: Streamlight Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.