[Finnster]

If there were to be done a more safe way, and you wished to avoid a lot of potential product liability risks, you would design a better connector that would prevent any accidental misconnections.

Something like a modular molex connector into which snapped individually hardcased 1S cells. The connector & cell would be polar so it cannot be plugged in backwards and short a cell. Another molex could snap in the back of the pack for support, and all the structural strength would come from the cases and connectors.

I still think the balancing technique is questionable however, and does not solve mismatch of differently aged cells. Overall I think it has limited market appeal and seems more like a solution in need of a problem