Nikon EP-5B Power Supply ConnectorThis Nikon EP 5B Power Supply Connector 27014 is required when using an EH 5a AC Adapter with select Nikon digital cameras. It is also required when using the AC adapter EH 5 EH 5a to power the camera. With the EP 5B power connector you can also connect the EH 5b (100V) AC Adapter to select Nikon cameras to operate the camera utilizing the AC Adapter. Simply insert the EP 5B into the battery chamber, powering the camera by continuous AC power instead