RE: 4000 mah lipos inflated?
After looking at your pics in your other thread, your tabs are sorta copper colored, and silver.. All the tabs I have seen on TP and FP packs are silver. Seems to me like yours may have got hot for some reason. Maybe having to change props because it was too fast with the maxamps pack vs the tp pack had something to do with the pack wiring getting hot. Maybe a short somehow.. The tabs being brittle the way you are describing, leads me to believe it was a short..
Just a thought.
I'd also like to see pics of the solder on the wires.
Have you tried any of the hotter packs besides the maxamps? How about the Fp's or Tp extremes?
The hotter packs will pull more amps than the older Tps.. Therefore why you needed to change the prop..
In my pattern planes, I have to change throttle curves if I am to try a different rated pack.
Don't get me wrong, coulda been a bad solder joint creating heat.
I'm sure if you were to talk directly to Jason, and send him those 3 cells and the wiring, he would be in a better position to tell you what may have happened.
Good luck with your new three.
Chris