Will MaxAmps make good on their warranty?

[hemiblas]

I think what you are asking is a bit unreasonable but good luck with it. I think at a min they should replace the bad cell. There is no problem mixing them. Your new one might not last as long as the old one for all we know.
If you dont want them put them on the bay and sell them off. Heck I wish I could trade in all my 2S packs now that the 3S packs will get me closer to the speeds I want, but I'm stuck with them. But like I said doesnt hurt to ask and I hope it works out.