And would last a whole lot longer if the BLE manufacturers would pull their heads out of their asses and give us a chip with RTC wakeup current that doesn't suck.

Microcrystal can make these things to run at <50nA. https://www.microcrystal.com/en/products/real-time-clock-rtc...

All the BLE manufacturers are 1uA plus. It's infuriating.