Yeah I learned that Thinkpads used to have hot-swappable batteries. Would be a great thing now, especially if combined with efficient ARM chips.
They should make an extra battery pack which you can mount on the back (just like you can mount a GPU component on this device)
https://frame.work/nl/en/products/16-graphics-module-amd-radeon-rx-7700s
Yeah I learned that Thinkpads used to have hot-swappable batteries. Would be a great thing now, especially if combined with efficient ARM chips.