> EV should be redesigned around a common core swappable battery technology. I don't think this is very feasible. Different battery chemistries inherently have

> EV should be redesigned around a common core swappable battery technology. I don't think this is very feasible. Different battery chemistries inherently have different voltages and densities. So switching battery chemistry might require electronics with a higher voltage rating. And you can't swap in a battery with a very different weight, not just due to suspension but also structure and breaks if the battery is much heavier. This is the case for the BMW i3 where the 94Ah model can get upgraded to the new 120Ah battery because it was designed with a sturdier frame, but the pre-94Ah models can't because they lack the sturdy frame. And there might be additional concerns like different cooling requirements etc.