The Nitecore USN3 Pro dual-slot charger offers the ability to charge two Sony batteries simultaneously. Thanks to the Micro-USB connection, the charger is perfect for on-the-go use. The high-resolution LCD display provides real-time information about the battery status, capacity, charge level, charging current, and battery voltage. The Nitecore USN3 Pro can charge the battery types NP-FM500H, NP-F730, NP-F750, NP-F770, NP-F970, and NP-F550.