Archives For battery saving


Auto-cpufreq, automatic CPU speed & power optimizer for Linux to improve battery life, released version 1.2 with AMD support.

Different to cpufreq indicator and / or TLP, Auto-cpufreq automatically make “cpufreq” related changes based on active monitoring of laptop’s battery state, CPU usage and system load. Ultimately allowing you to improve battery life without making any compromises.

How to Install Auto-cpufreq in Ubuntu:

Auto-cpufreq is available as Snap package, which can be easily installed from Ubuntu Software:

Don’t like the containerized snap package? You may also download the source tarball which contains an install script:

Auto-cpufreq tarball

Extract and go into the source folder, then right-click on blank area and select ‘Open in Terminal’

Finally run the installer via command:

sudo ./auto-cpufreq-installer

How to run Auto-cpufre:

Once installed the tool, you can run it with different flags:

1. Monitor and suggest CPU optimizations by running command:

sudo auto-cpufreq --monitor

2. Run the tool to improve battery life for temporary use (work until reboot):

sudo auto-cpufreq --live

3. Install the daemon so it will work permanently and silently in background.

sudo auto-cpufreq --install

4. Uninstall the daemon to stop the service:

sudo auto-cpufreq --remove

see auto-cpufreq in github

Want to get better battery life for your Ubuntu laptop? Besides struggling with various settings or config files, try the power management tool TLP and Slimbook Battery.

TLP is a feature-rich command line utility for Linux, saving laptop battery power without the need to delve deeper into technical details.

TLP’s default settings are already optimized for battery life and implement Powertop’s recommendations out of the box. So you may just install and forget it.

1.) How to Install TLP in Ubuntu 20.04:

Simply open terminal either from application menu or by pressing Ctrl+Alt+T on keyboard. When terminal opens, run command:

sudo apt install tlp

Once installed, you’re done as it runs silently in background with a default configuration already optimized for battery life.

To fulfil your specific requirements, you can install the GTK user interface TLPUI via this PPA.

2.) Install Slimbook Battery:

Slimbook Battery is a graphical tool based on TLP, it offers an indicator menu that includes Energy Saving, Balanced, and Maximum Performance modes.

Advanced mode provides options to change CPU limit, graphics saving, screen brightess, disable animation, bluetooth, auto-suspend USB ports, etc.

To install Slimbook Battery from its official PPA, run following commands in terminal one by one in terminal:

sudo add-apt-repository ppa:slimbook/slimbook

sudo apt update

sudo apt install slimbookbattery

Once installed, launch it from ‘Show Applications’ menu and enjoy!

(Optional) To remove Slimbook Battery as well as its PPA, run following commands one by one:

sudo add-apt-repository --remove ppa:slimbook/slimbook

sudo apt remove --autoremove slimbookbattery

TLP 1.3.0 was finally released today after 4 beta releases. Here’s how to install it in Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.10.

TLP is an advanced power management tool for Linux. It comes with a default configuration already optimized for battery life, so you may just install and forget it. Nevertheless TLP is highly customizable to fulfil your specific requirements.

TLP 1.3.0 features:

    New configuration scheme:

    • /etc/default/tlp is replaced by /etc/tlp.conf
    • Settings are read in the following order: intrinsic defaults, /etc/tlp.d var jetpackLazyImagesL10n = {"loading_warning":"Images are still loading. Please cancel your print and try again."};