Andoer NP-F970 F750 Battery Plate Holder Adapter + FW50 Dummy Battery Coupler

Info:
Features:
The battery plate is compatible with Sony NP-F550/F570, NP-F750/F770, NP-F950/F970 battery.
Supports DC 8V DC 12V output voltages, can be used as power supply adapter of different devices.
You can install the battery plate to camera cage or other bracket via 1/4 inch screw or the included cold shoe adapter for more convenient usage.
Comes with a FW50 dummy battery coupler, which is compatible with Sony A7/A7R/A7S/A7II/A7RII/A7SII/A6300/A6400/A6500, etc.
With this battery plate + dummy battery kit, you can connect external battery power source to your camera to achieve long time shooting.