Amazon.com : Pixel MB-D14 Battery Grip for Nikon D600/D610 Camera Body Compatible with 1PC EN-EL15 or 6pcs AA/LR6 Battery (Battery Not Included) : Digital Camera Battery Grips : Electronics
Amazon.com : Nikon MB-D15 Grip Multi Battery Power Pack for D7200 and D7100 Digital SLR Cameras : Electronics
Amazon.com : Nikon D7100 24.1 MP DX-Format CMOS Digital SLR (Body Only) : Digital Camera : Electronics
Amazon.com : Vello - BG-N11 Battery Grip for Nikon D7100 & D7200(4 Pack) : Electronics
Amazon.com: Digital Nc Ultra High Capacity 'Intelligent' Lithium-Ion Battery Compatible with Nikon D7100 : Electronics
Amazon.com: Synergy Digital Camera Battery, Works with Nikon D7100 Digital Camera, (Li-Ion, 7.0V, 2100 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL15 Battery : Electronics
Amazon.com : STK EN-EL15 Charger for Nikon D7100, D750, D7000, D7200, D810, D610, D800, D600, D800e, D810a, D500, 1 v1 Cameras, MH-25 : Digital Camera Battery Chargers : Electronics
Amazon.com : Vello - BG-N11 Battery Grip for Nikon D7100 & D7200(6 Pack) : Electronics
Amazon.com : Battery Grip Kit for Nikon D800, D810 Digital SLR Camera Includes Qty 4 Replacement EN-EL15 Batteries + Vertical Battery Grip : Electronics
Amazon.com : Jupio JBGN013 Battery Grip Battery Grip for Nikon D7100 / D7200 (MB-D15) with a Wireless Remote Control, Black : Electronics