So what you need to understand about what I know and what I have done. I have taken the intelligent battery system off of the cells, and have the comm pins direct wired to the phantom. I have attempted to input 12V to the phantom input and output, and I have also tried to connect the smart battery system to the phantom and input 12V through there. Well, the funny thing is, unless the board reads 3.7V from between each of the LiPo cells, it will not close the circuit to ground allowing appropriate communication between LiPo board and main control board. SO I attempted to supply 12V to the input, and 4V to each of the balancing lines, this still does not work. I understand that there is a 3.3V Digital IO signal being sent between the two PCBs so until the smart battery board realizes that the charge is sufficient, and balanced, it will not receive signal from the phantom to allow operation beyond startup procedures. The real problem is that the battery board stores information on each and every battery charging cycle, and stores it as a previously available mAh value. So applying input power to a board that doesn't demand a certain current draw, but instead reads a currently available current to be utilized removes any ability to power with an external (non-LiPo) supply unless someone can hack the firmware andf then never accept DJI updates.
With that being said, if anyone can still help, correct me, or has insight feel free to comment and see where we go from here. All I want to do is have my phantom 2 powered overhead for extended eriods of time constantly checking on currently pregnant animals, and batteries are not going to give me hours of runs time, and I want to run the phantom nearly all night long tethered in one spot with my panasonic 360 camera system attached. (I dont need help with running that, its golden and I already figured that out on my own.