The Samsung Galaxy Note 10 and Note 10 Pro will seemingly have the same battery capacity, at least if the latest set of leaks are to be believed. Previous rumours may have got the number of Note 10 models being released wrong too.
https://www.notebookcheck.net/The-Galaxy-Note-10-may-have-more-models-than-it-does-rear-facing-cameras.423705.0.html