Amazon.com : Neewer® Vertical Battery Grip for MB-D15 Works with EN-EL15 Battery or 6 Pieces AA Batteries for Nikon D7100 D7200 Digital SLR Camera : Electronics
D7100, D7200 Battery Grip Connector Cover | Nikon
Nikon MB-D15 Multi Battery Power Pack for D7100, D7200 at KEH Camera