I am wondering if anyone has used this type of dummy battery to power their BMPCC4K. According to this ad, if you have the latest firmware (unfortunately they don't say what that is) you can now power your camera with this dummy battery plugged into the RS2.

POWRIG DJI RONINS RS2 to LP-E6 for BMPCC4K Camera Power Cable
Highlights: - Update the RS2 to the newest firmware version- Power the BMPCC 4K camera from DJI RS2 gimbalThe LP-E6 power cable connect with the DJI RS2 gimbal via a type C power output socket to power the Blackmagic BMPCC4K cameras.Specification:Model: RS2-E6Input Voltage: 6-8.4VOutput Voltage: 7.2V / 3ACable length: 8.2inch...

The item arrived today and once installed it is powering my BMPCC4K. I am using it for an event tonight so I will see how long the battery last powering both pieces of equipment.