The SmallRig NP-FZ100 Camera Battery Charger accommodates two batteries of the same size as the original camera battery for simultaneous charging. It's compatible with a wide number of Sony mirrorless cameras. It can be used to charge the SmallRig NP-FZ100 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.