Buy from Amazon.com : http://fave.co/1NicVTO
Vivitar MB-D15 Battery Grip for Nikon D7100 DSLR Camera (Nikon MB-D15 Replacement) MagicFiber
Product Description :
BATTERIES NOT INCLUDED
A perfect Nikon MB-D15 Replacement
Compatible with the Nikon D7100 DSLR cameras
Works with 1 extra EN-EL15 Li-ion battery or with 6 AA common batteries
Backed with DigitalGoja 90-Day 100 Satisfaction Guarantee