Explosion. A many large and many small explosions. A lot of smoke and nasty odors. What was happening? Rather, ask what did not happened. Overpressure valve did not worked. Result: The chain reaction. Faulty battery cell exploded. Conductive contents fell into the battery, and the process began...
Very expensive CHINAs scum!
What happened next!. We tried to blow up different battery cells. Finally I found a solution that seemed to be not so dangerous
And now again, my lovely vehicle is equipped with a new battery.