There you go:
https://buy.jolla-devices.com/product/volla-phone-x23/
https://hammerphones.com/en/product/hammer-blade-v-5g
https://www.gigaset.com/at_de/gigaset-gx6/

It baffles me that removable battery is a default feature for rugged phones (with a high waterproof rating), but manufacturers claim “normal” phones can’t have replaceable batteries because then they wouldn’t be waterproof 🤷‍♂️