Nikon BL-7 battery cover f. Z 9

Nikon BL-7 battery compartment cover

Battery cover for use with the EN-EL18d lithium-ion battery and the Nikon Z 9. The cover connects to one end of the battery. This allows you to quickly release the battery from the camera battery compartment when you need to change the battery. To change batteries in seconds, have a spare battery ready with a second battery cover already attached.