Amazon.com: Green Extreme Multi Power Battery Grip (MB-D15 Replacement) for Nikon D7100 & D7200 DSLR Camera, Holds EN-EL15 Battery or 8 AA Batteries : Electronics
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Amazon.com : Wasabi Power Battery for Nikon EN-EL15 and Nikon 1 V1, D600, D610, D800, D800E, D810, D7000, D7100 : Digital Camera Batteries : Electronics
Amazon.com : Nikon D7100 24.1 MP DX-Format CMOS Digital SLR with 18-105mm f/3.5-5.6 Auto Focus-S DX VR ED Nikkor Lens : Point And Shoot Digital Cameras : Electronics
Amazon.com : DSTE Pro MB-D15 Vertical Battery Grip + 2X EN-EL15 for Nikon D7100 D7200 SLR Digital Camera : 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 with 18-105mm f/3.5-5.6 Auto Focus-S DX VR ED Nikkor Lens : Point And Shoot Digital Cameras : Electronics