Amazon.com: Synergy Digital Camera Battery, Compatible with Sony SLT-A77 II Digital Camera, (Li-Ion, 7.4V, 1700 mAh) Ultra High Capacity, Replacement for Sony NP-FM500H Battery : Electronics
Wooden Camera D-Tap to Sony NP-FM500H Dummy Battery Cable 278500
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
Amazon.com : Sony VG-C77AM Vertical Grip for A77 : Digital Camera Battery Grips : Electronics
Amazon.com: Tectra 2Pcs Sony NP-FM500H Replacement Battery + Smart LCD Display USB Charger for Sony Alpha a68, a77II, SLT-A57, A58, A65V, A77V, A99V, A100, A200, A300, A350, A450, A500, A550, A560, A580,
Amazon.com: Synergy Digital Camera Battery Charger, Compatible with Sony SLT -A77 Digital Camera, 110/220V Fold-in Plug with Car & EU adapters, Replacement for Sony BC-VM10 Charger for Sony NP-FM50 Battery : Electronics