It's portable!
Made my own replacement battery sled thanks to https://github.com/app-hack/Newton-MP2X00-3d-printed-Improved-Battery-Pack/tree/main
@wotsac @MuseumJoe dunno where you are based, but I've a lot of spare of the metal sheet now, and the online print shop I used were reasonably priced too
I was gonna work out some sort of unit price for EU buyers and make an offer on @newtontalk eventually