[Unit]
Description=Set the battery charge threshold
After=multi-user.target
StartLimitBurst=0

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

[Install]
WantedBy=multi-user.target