Sony Vertical Battery Grip for the Alpha SLT-A99 DSLR Camera - VGC99AM | Focus Camera
NP 400 NP400 D LI50 DLI50 Battery+ USB Charger for Konica Minolta DiMAGE A1, DiMAGE A2, Dynax 5D, Dynax 7D, Maxxum 5D.|Digital Batteries| - AliExpress
Canon BG-E4 Battery Grip (for Canon EOS 5D) Review
Neewer Vertical Battery Grip(Replacement for Canon BG-E6 Battery Grip)Work with 1 or 2 Pieces LP-E6 Battery or 6 Pieces AA Batteries for Canon EOS 5D MARK II Digital SLR Camera | Neewer