I have latest Android on the Pixel 8. I just checked and found it under Settings > Battery > Battery Health It specifically has an option for 80% (const) or an

I have latest Android on the Pixel 8. I just checked and found it under Settings > Battery > Battery Health It specifically has an option for 80% (const) or an "Adaptive Charge" predictive algorithm that charges to 80% and then only fully charges to 100% right before you typically unplug it from the charger.