Simply insert the EP-5B into the battery chamber, powering the camera by continuous AC power instead of the EN-EL15 rechargeable battery. EP-5B is compatible with the following Nikon cameras;
Z 7, Z 6, Z 6II, Z 7II, Z 5, D780, D610, D810, D750, D7200, D500, D7500, D850, D7100, D810A, D7000, Nikon 1 V1, D600, D800
EH-5D AC Adapter is required or (EH-5B, EH-5C)