File powertop.service of Package powertop
[Unit] Description=Extend the battery life of laptop [Service] Type=oneshot ExecStart=/usr/sbin/powertop --auto-tune [Install] WantedBy=multi-user.target
[Unit] Description=Extend the battery life of laptop [Service] Type=oneshot ExecStart=/usr/sbin/powertop --auto-tune [Install] WantedBy=multi-user.target