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
Rent a Nikon MB-D12 Battery Grip at LensProToGo.com
Multi Power Battery Grip (MB-D15 Replacement) For Nikon D7100 & D7200 DSLR Camera, Holds EN-EL15 Battery or 8 AA Batteries - Walmart.com
Battery Grip Kit for Nikon D7100, D7200 Digital SLR Camera Includes Qty 4 Replacement EN-EL15 Batteries + Vertical Battery Grip + More!! - Walmart.com
Green Extreme MB-D15 Battery Grip for Nikon D7100 & D7200 With EN-EL15 Battery GX-MB-D15-K1