While designed to seamlessly integrate with the Sigma fp's battery Bp-51, the Bc-71 Battery Charger is an indispensable accessory for photographers on the go. This compact and portable charger ensures your Sigma camera is always ready to capture those important moments. Constructed with durability in mind, the Bc-71 is a reliable power source that can withstand the rigors of travel and on-location shoots.Featuring a Usb charging interface, the Bc-71 offers the convenience of being able to charge from various power sources, including power banks, laptops, and car chargers, making it an efficient charging solution for photographers who are constantly moving. The included Usb cable and converter further enhance its portability, allowing for easy packing and minimal space usage in your camera bag.Photographers who choose the Bc-71 do so not only for its compatibility with Sigma cameras but also because they trust the Sigma brand to deliver high-quality photography equipment.