OK my pack is on the Hyperion now since about 30 minutes, on the balancer mode only.
Now the cell number 1 is 3.630
2 is 3.619
3 is 3.640

The gap voltage is now at 0.020.

So the cells is to be balance, but when i reput it on the charge, the cell number 2 always retake his 0.07 volt gap