cooling pipe, just to see...

[MetalMan]

There's the Cellpro 4s LVC that monitors each cell, but unless it is a single 4s packs (and not two 2s packs) some fancy wiring like I have shown in the LBA6 thread would need to be done.

2 LVCs would work, but it's just a waste of money IMO. As squee said, one is all that's needed.