[remy_martian]

https://cleantechnica.com/2017/09/07/motiv-power-provides-electric-school-buses-california-communities/amp/

 

[brian_]

https://cleantechnica.com/2017/09/07/motiv-power-provides-electric-school-buses-california-communities/amp/

The bus in the article's illustration is too small, but larger commercially available school buses are good examples of workable components.

This thread started years ago but has more recently included an example of a recent design for a bus of this size and chassis type:
Making a school bus electric?

 

[remy_martian]

I wasn't going to spend a lot of time looking for it, so the forum got the first hit.

There were a bunch sold off at a government auction about a year or two ago - yes, full size, with sodium-sulfur batteries.