The Samsung Galaxy S20 series phones are nearly 7 months old now. Nevertheless, leaks about their possible successors have already emerged. One of them concern 2 new batteries from their OEM freshly approved for use by the Chinese regulator 3C and now tipped as meant for an S21 variant apiece.
https://www.notebookcheck.net/3C-may-have-certified-some-Samsung-Galaxy-S21-series-batteries.492257.0.html