generic 26650's i got used a couple of years ago. been good in service. not high c cells.
Yes, will have to cut in a new parallell group. I put this pack together from other funky packs - so this isn't new. Just a pain.
i didn't leave the controller on. cell groups 2 . . 16 remained nearly fully charged.
can a signal lab bms slowly bring cell group one down to zero if the balance cable is left plugged in? Seem to remember something like that.