Sony VG-C 77 AM Battery Grip for Sony Alpha A77 II
Amazon.com : Powerextra VG-C2EM Vertical Battery Grip Replacement for Alpha A7II/A7S II/A7R II Digital SLR Camera Work with NP-FW50 Battery : Electronics
Vello BG-S1 Vertical Battery Grip for Sony a77, a77 II at KEH Camera
Battery Grip kit for Sony Alpha slt-a77, Alpha a77ii DSLR Camera -Includes Qty 2 Replacement np-fm500h Batteries + Vertical Battery Grip + More!! : Amazon.in: Electronics