CONTINUOUS POWER SUPPLY FOR SONY ALPHA CAMERAS - FW50 AC POWER ADAPTER WITH A7III DUMMY BATTERY - COMPATIBLE WITH Sony A7000 A6500 A6400 A6300 A6100 A6000 A5100 A5000 A7 A7II A7RII A7SII A7S A7R A35 A37 A55 RX10 Camera