Canon Battery Grip BG-E13-(Japan Import-No Warranty),Amazon.com: Green Extreme BG-E13 Battery Grip for Canon EOS 6D DSLR Camera : Electronics,Used Canon BG-E13 Battery Grip | MPB,Amazon.com : Canon Battery Grip for EOS 6D DSLR Camera : Digital Camera Battery Grips : Electronics,Amazon.com : Canon Battery Grip for EOS 6D DSLR Camera : Digital Camera Battery Grips : Electronics