One of the big Chinese brands - Neo - have removable battery packs. Check this out: https://www.youtube.com/watch?v=hTsrDpsYHrw https://www.youtube.com/watch?v

One of the big Chinese brands - Neo - have removable battery packs. Check this out: https://www.youtube.com/watch?v=hTsrDpsYHrw https://www.youtube.com/watch?v=hTsrDpsYHrw