Replacement Nikon EP-5B DC Coupler EN-EL15 Dummy Battery Pack, Gonine Connector for Nikon P520, P530,D600, D610,D750 D7000,D7100,D800,D800E,D810,D800A,1V1 Digital Cameras. This item can replace NIKON EN-EL15 Battery continuously charger for your camera This item can replacement original NIKON EP-5B DC coupler and also can implement original EP-5B DC Couplers all functions This item may required to equip with EH-5/EH-5A AC adapter With AC adapter exactly implement for lengthy studio shoots with no need to continuously replace and recharge multiple batteries