Neewer Vertical Multi-Power Battery Grip replacement for Canon BG-E13 for Canon EOS 6D by Neewer – Photo Camera Store
Neewer Battery Grip replacement of BG-E13 for Canon EOS 6D Digital SLR Camera 887662152106 | eBay
The B I G Canon BG-E13 Battery Grip. Good Accessory For Your Canon 6D?
Amazon.com : Neewer Vertical Multi-Power Battery Grip(replacement for Canon BG-E13) for Canon EOS 6D, uses one or two LP-E6 battery packs or six AA Batteries(Batteries NOT included) : Digital Camera Battery Grips :
Canon BG-E13 Battery Grip For Canon EOS 6D Camera - Lenses and Cameras