[tobias2014]

Here are some good references on this with actual measurements, see e.g. table 4 on how many discharge cycles you can get out of a certain maximum voltage / charging level: https://batteryuniversity.com/article/bu-808-how-to-prolong-...

https://batteryuniversity.com/article/bu-204-how-do-lithium-... https://batteryuniversity.com/article/bu-501a-discharge-char...

On Thinkpads you can use tp_smapi to set charge start and stop thresholds https://wiki.archlinux.org/title/tp_smapi