Nio does this (only for their cars tho) - apparently takes 3m to do a battery swap. And apparently it's getting to the point where it's close to profitability.

Nio does this (only for their cars tho) - apparently takes 3m to do a battery swap. And apparently it's getting to the point where it's close to profitability. https://www.nio.com/nio-power https://www.nio.com/nio-power