Install tlp by entering the following commands in the terminal:
sudo apt update sudo apt install tlp
Description:
Save battery power on laptops
TLP is an advanced power management tool for Linux. It comes with a default configuration already optimized for battery life. At the same time it is highly customizable to fulfil specific user requirements. . TLP supplies separate settings profiles for AC and battery power and can enable or disable bluetooth, WiFi and WWAN radio devices upon system startup. . For ThinkPads it provides a unified way to configure charging thresholds and recalibrate the battery for all models which support it (via tp-smapi or acpi-call). . TLP is a pure command line tool with automated background tasks, it does not contain a GUI.
Homepage: http://linrunner.de/tlp
Version: 1.1-2
Section: universe/utils