Features:
EP-5A DC coupler is a dummy Ba-tte-ry of EN-EL14.
Its power supply connector, DC tip is 4.0*1.7mm.
It was made by high class material, the connector type is exactly working as same as Nik0n OEM.
It works with EH-5 power adapter for the following camera models:
For Nikon D3100, D3200, D3300, D3400, D3500, D5100, D5200, D5300 and D5500 cameras.

Specifications:
Brand:
Model: EP-5A
Input Voltage: 7V-9V
Output Voltage: 7V-9V
Working Current: 2.5A
Compatible Camera Models: For Nikon D3100, D3200, D3300, D3400, D3500, D5100, D5200, D5300 and D5500 cameras
DC Tip Size: 4.0*1.7mm
Cable Length: 35cm / 13.8in
Item Weight: 19g / 0.7oz
Package Size: 11 * 6.8 * 2cm / 4.3 * 2.7 * 0.8in
Package Weight: 38g / 1.3oz

Package List:
1 * EP-5A DC Coupler