The DJI Battery (2 PIN) to DC Power Cable is used to connect a DJI device with a DC port and one of the following DJI Intelligent Batteries as a power supply for the device. 

Supported DJI Intelligent Battery Models
PH3-4480mAh-15.2V (Phantom 3 Intelligent Flight Battery)
TB47/TB48 (Inspire 1 Intelligent Flight Battery)
844297-4350mAh-15.2V (Ronin Intelligent Battery)
824380-3400mAh-14.8V (Ronin Intelligent Battery)
423496-1580mAh-14.4V (Ronin-M Intelligent Battery)