Power the GoPro Omni from batteries with a standard D-Tap connector. This Regulation Power Cable from IndiPro converts 11-17V of input power to 5.2V, 10A max output for the GoPro Omni, it is enough to power the Omni and charge the HERO4 batteries simultaneously.
Indipro Tools VRGPO33 Indipro Regulation Power Cable for GoPro Omni (10')
Power the GoPro Omni from batteries with a standard D-Tap connector. This Regulation Power Cable from IndiPro converts 11-17V of input power to 5.2V, 10A max output for the GoPro Omni, it is enough to power the Omni and charge the HERO4 batteries simultaneously. The cabling is 10 ft long, and has a green LED indicator.