Wooden Camera - D-Tap to Sony A9, A7rIII (Dummy NP-FZ100)https://photocineshop.com/en/products/Wooden-Camera-D-Tap-to-Sony-A9-A7rIII-Dummy-NP-FZ100--LB36YD?cat=217
D-Tap to Sony A9, A7rIII connector powers the Sony A9 or A7rIII camera using any V-Mount or Gold Mount battery with a D-Tap plug. Voltage converter box mid cable adapts 14.4v to standard 7.4v required by camera. Reverse polarity protection is built in so if the cable is plugged in backwards to a D-Tap, it will not be damaged.
Cable length: 20 inches (508mm)