Designed for outdoor adventurists who demand constant and reliable portable light sources, the Streamlight USB Battery Pack is an essential component of your travel gear. This sophisticated accessory transforms compatible lights into rechargeable systems, ensuring you're never left in the dark on your travels or expeditions. Its built-in USB-C charging port simplifies the recharging process, while the integrated safety circuit protects against overcharge and overdischarge. Whether you're navigating rocky streams or setting up camp under the stars, this battery pack provides power for high-performance multi-fuel lighting tools. With a full charge time of approximately five hours, you can trust this accessory for dependable use on your adventures.