Possibilities:
1) Bad battery
2) Bad pullup resistors on battery data line, R5280, R5281.
3) U7000 pulling down battry data line.
4) Bad BIL/BIL connector pulling down battery data line.
5) Bad SMC.
Start with #1.
Or take it to Apple and tell them you have green and red lines running down the screen when you edit video and pray they replace the battery along with the board. 820-2915 boards qualify for out of warranty, free, extended repair program.