Oneshot systemd service file for the Framework 16 laptop to set battery charge limit

battery-charge-limit.service

## Oneshot systemd service file for the Framework 16 laptop to set batery charge limit
## Defaults here is to stop charging at 80%. Customize as needed
## The framework 16 laptop does NOT support a start threshold (charge_control_start_threshold) atm (sept 2026)

## Place in: /etc/systemd/system/battery-charge-limit.service
## Reload after making: sudo systemctl daemon-reload
## Enable and start: sudo systemctl enable --now battery-charge-limit.service

[Unit]
Description=Set battery charge limit
ConditionPathExists=/sys/class/power_supply/BAT1/charge_control_end_threshold

[Service]
Type=oneshot
ExecStart=/bin/bash -c "echo 80 > /sys/class/power_supply/BAT1/charge_control_end_threshold"
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target