The technical details behind this adaptor Enjoy non-stop shooting with the Nikon EH-64 AC Adaptor. This AC adaptor helps to conserve power battery by allowing users to supply power directly from their cameras when plugged in an AC outlet. This adaptor requires the EP-6 Power Supply Connector to work. Moreover, it is compatible with select cameras, including Nikon D4, D4S, and D5 DSLR Cameras.