Set Battery Charge Limit in Ubuntu

ls /sys/class/power_supply/

ls /sys/class/power_supply/BAT0

sudo sh -c "echo 60 > /sys/class/power_supply/BAT0/charge_control_end_threshold"

cat /sys/class/power_supply/BAT0/status

Create Battery Charge Threshold Service

sudo nano /etc/systemd/system/battery-charge-end-threshold.service

[Unit]
Description=Set Battery Charge Maximum Limit
After=multi-user.target
StartLimitBurst=0

[Service]
Type=oneshot
Restart=on-failure
ExecStart=/bin/bash -c 'echo 60 > /sys/class/power_supply/BAT0/charge_control_end_threshold'

[Install]
WantedBy=multi-user.target

sudo systemctl enable battery-charge-end-threshold.service

sudo systemctl daemon-reload

sudo systemctl start battery-charge-end-threshold.service

References
https://ubuntuhandbook.org/index.php/2024/02/limit-battery-charge-ubuntu/

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