POWER CONNECTOR EP-5A

Connect EP-5A Power Connector to the EH-5 or EH-5A AC adapter for extended shooting capability.
Required when using EH-5a AC Adapter with D5100 and D3100.
Simply insert the EP-5A intο the battery chamber and the camera will be powered by continuous AC power instead of the D-SLR´s rechargeable battery.
The EP-5A is a Power Supply Connector that is required when using the AC adapter EH-5/EH-5a to power the camera.