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 : Nikon MB-D15 Grip Multi Battery Power Pack for D7200 and D7100 Digital SLR Cameras : Electronics
Amazon.com : Phottix BG-D7100 Battery Grip (Black) : Digital Camera Batteries : Electronics
Battery Grip Kit for Nikon D7100, D7200 Digital SLR Camera Includes Qty 2 Replacement EN-EL15 Batteries + Vertical Battery Grip + More!! : Digital Camera Accessory Kits : Electronics - Amazon.com
Amazon.com: Digital Nc Ultra High Capacity 'Intelligent' Lithium-Ion Battery Compatible with Nikon D7100 : Electronics
Amazon.com : Nikon MB-D15 Grip Multi Battery Power Pack for D7200 and D7100 Digital SLR Cameras : 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 : Wasabi Power Battery for Nikon EN-EL15 and Nikon 1 V1, D600, D610, D800, D800E, D810, D7000, D7100 : Digital Camera Batteries : Electronics
Amazon.com: Kastar BG-2N Battery Grip for Nikon MB-D15 work with Nikon D7100 Digital SLR Camera, Proffessional Multi-Power Vertical Shooting Battery Grip [Power Sources: 1 or 2 battery packs EN-EL15, 6 AA/LR6 batteries] :
Amazon.com : Compact Bounce & Swivel Flash (i-TTL) for Nikon D7100 : Camera Flash Light Diffusers : Electronics
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 : Battery and Charger Kit for Nikon D7100, D7200 Digital SLR Camera Includes Vertical Battery Grip + Qty 2 Replacement EN-EL15 Batteries + Rapid AC/DC Charger : Electronics
Amazon.com : Vello BG-N11 Battery Grip for Nikon D7100 : Digital Camera Battery Grips : Electronics
Amazon.com: Synergy Digital Camera Battery, Compatible with Nikon D7100 Digital Camera, (Li-ion, 7V, 1600mAh) Ultra High Capacity, Replacement for Nikon EN-EL15 Battery : Electronics
Amazon.com : Vello - BG-N11 Battery Grip for Nikon D7100 & D7200(6 Pack) : Electronics
Amazon.com: Synergy Digital EN-EL15 Battery (2-Pack) Ultra High Capacity for Nikon 1 V1, D600, D610, D7000, D7100, D750, D800, D800 SLR, D800E and D810 Cameras : Electronics
Amazon.com: Accessory Kit Compatible with Synergy Digital, Works with Nikon D7100 Digital Camera includes: SDENEL15 Battery, SDM-1536 Charger : Electronics