2 bad batteries in 2 days. Not sure what I'm doing wrong. All my batteries are original with 2.6 firmware. 1 battery has puffed up with only 27 cycles. The other is new and untouched. Tried to charge it to replace the puff battery only to find out has Low Discharging Temp Warning. The phantom assist shows ridicoulous temperature readings. Besides sending back, is there a fix for it? I tried holding the button for 5 seconds to see if any cells are damage - didnt work. I tried starting the motors to discharge via phantom - didnt work.