A New d7100 Battery Grip (Commentary & Pictures): Nikon DX SLR (D40-D90, D3000-D7500) Talk Forum: Digital Photography Review
Nikon MB-D15 Multi-battery grip for Nikon D7100 digital SLR at Crutchfield
Nikon MB-D15H for Nikon D7100 (with Remote) Battery Grip by Wasabi Pow – Wasabi Power
Free Shipping Jupio Battery Grip for Nikon D7100 / D7200 (MB-D15) | Photography - VL Camera Photographic Store
Amazon.com : Nikon MB-D15 Grip Multi Battery Power Pack for D7200 and D7100 Digital SLR Cameras : Electronics
Amazon.com : Neewer Vertical Battery Grip Replacement for MB-D15 Works with EN-EL15 Battery or 6 Pieces AA Batteries for Nikon D7100 D7200 Digital SLR Camera : Electronics