Why is Google averse to larger batteries? The Chinese makers have been stuffing 8000ish mah batteries in rather diminutive phones for two or three years now, and Google is releasing one in 2026 with about half that.
I moved from high end to a "mid-range" Samsung phone that's way better than it needs to be given how boring phones have become. The only upgrade I wish on it was more open source software.
Also, remember the exploding Samsung phone. Experiments with batteries are risky for those companies.