The 30" straight Intelligent Dummy Battery from GyroVu connects a D-Tap battery or battery mount to a camera or accessory that can be powered with a Panasonic DMW-BLF19 battery.
Compatibility
Panasonic DMC-GH3, GH4, and FH5 cameras
Built-in emulator chip delivers battery status to camera indicator
UPC: 647603937786