The EH-5d AC Adapter from Nikon is an optional AC adapter that provides power to select Nikon cameras, but requires the EP-5B power connector, so it can supplement that power.
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Z 6, Z 7
D3200, D3300, D3400, D3500, D5300, D5500, D5600, D7100, D7200, D500, D610, D750, D810, D810A, D850, Df
