The SmallRig EN-EL15 Dummy Battery allows you to extend the battery life of your original Nikon EN-EL15 Rechargeable Lithium-Ion Battery using an external power source or another DC power source.

The SmallRig EN-EL15 Dummy Battery plugs into the 2.1mm DC barrel output of your battery plate or other power source, and the EN-EL15 dummy battery plugs into your Nikon camera's battery slot. Now you can benefit from higher capacity external batteries or power adapters that ar able to supply 7.4 VDC to your device.