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Neewer Vertical Multi-Power Battery Grip(replacement for Canon BG-E13) for Canon EOS 6D

Product Description :
Use of one or two LP-E6 Li-ion batteries or six AA batteries
With storage slot that the camera battery cover can be stored into its storage slot
The NEEWER BG-E13 Battery Grip is an optional power pack designed specifically for the Canon EOS 6D Digital SLR Camera
It holds up to two LP-E6 battery packs or six AA Batteries offering double-length shooting time