MB-N11 battery pack that extends operating time by approximately 1.8x and provides more comfortable balance when using long telephoto lenses. The power supply offers dust and moisture protection and features a hot-swap system that allows battery replacement without interruption in shooting. If you are shooting video with a support mechanism or shooting remotely, thanks to the battery pack, the USB port remains free for communication with your external equipment. This power supply also has a USB-C port with which you can sequentially charge two batteries while the power supply is not connected to the camera. It is powered by two Nikon EN-EL 15c lithium-ion batteries (sold separately).