sudo systemd-analyze critical-chain to get the most time consuming services. If you don’t need those services just disable them by this command
sudo systemctl disable service-name.service and replace the
service-name with the name of the service you want to disable.
Just disable any feature you do not use such as fingerprint scanner. To reboot into your BIOS settings, use this command
sudo systemctl reboot --firmware-setup.
Use tlp to manage your battery, and use powertop to get the power consumption statistics.
Install tlp and powertop using this command
sudo apt install tlp powertop.
tlp to manage your laptop battery, run this command in terminal
sudo systemctl enable tlp.
To see the power consumption of each service, just use this command
sudo powertop. Then disable the services you don’t need to reduce battery consumption.
Learn about how to edit the
/etc/tlp.conf config file, or just use tlpui (a GUI for tlp) from github.