The SmallRig NP-FW50 Camera Battery Charger has two bays for simultaneous charging. Compatible with Sony Alpha, NEX, and Cyber-shot camera batteries, it can be used to charge the SmallRig NP-FW50 camera battery as well as the original battery. The charger has a built-in USB-A charging cable as well as a USB-C input interface for use with a variety of power supplies. An LCD display gives real-time readings of the charger's current, voltage, capacity, and the battery's charging progress.