Wooden Camera D-Tap to Sony NP-FM500H Dummy Battery Cable for Sony a77 II/a99
Sony Alpha SLT-A77 Battery Replacement
Amazon.com: Kastar Camera Battery Replacement for Sony NP-FM500H Battery and Sony Alpha A850 A900 A57 A58 A65 SLT-A65 A68 SLT-A68 ILCA-68 A77 II SLT- A77 II ILCA-77M2 Alpha A99 II SLT-A99 II CLM-V55
Sony VG-C77AM Vertical Battery Grip for a77, a77 II, and a99 II Camera - Battery Grips - ShaShinKi