TLP on Linux or directly: /sys/class/power_supply/BAT0 # ... charge_behaviour # [auto] inhibit-charge force-discharge charge_control_end_thresh

TLP on Linux or directly: /sys/class/power_supply/BAT0 # ... charge_behaviour # [auto] inhibit-charge force-discharge charge_control_end_threshold charge_control_start_threshold charge_start_threshold charge_stop_threshold ... Too much options for normal users. Actually one button in UI battery panel "[PRESERVE CAPACITY] or FULL CHARGE" would be optimal.