Nikon is using multiple battery types in the Z System (EN-EN25, EN-EL15, and EN-EL18), so check the page for the camera you're using. Also, Nikon and others have made Battery Pack/Grip options available for several of the full frame cameras.
In-depth coverage of the Nikon Z Mount Cameras and Lenses Since the System's Birth
Nikon is using multiple battery types in the Z System (EN-EN25, EN-EL15, and EN-EL18), so check the page for the camera you're using. Also, Nikon and others have made Battery Pack/Grip options available for several of the full frame cameras.