Batteries Weird battery issue

[Lee]

I have lost count, of the number of balance leads that failed internally.
All the happens, is the wire breaks at the solder point.
So it could be touching, then not, causing this issue.
If your soldering skills are good, they are not too difficult to fix.

 

[Smoggie]

By coincidence I just went to charge my batteries and one of my 6s 5000mAh was showing as 5s. The last balance wire on the 6th cell had cracked internally just where it connects to the pin of the balance plug. A little attention with the soldering iron had it fixed. It's easy to miss this when you parallel charge because when more than one battery is connected to the board the charger doesnt detect the error.

 

[trainrider06]

Is what I am kinda wondering what's going on with this one, I think these balance leads are one of the major contributors to these lipo's catching fire also.