Get more battery life on Linux Ubuntu laptops. Increase battery life on Linux laptops using the Laptop Mode Tools (LPT). Install Laptop Mode Tools 1.68.1 On Ubuntu 15.10, Ubuntu 15.04 and Ubuntu 14.04.
Laptop Mode Tools is a laptop power saving package for Linux systems. It allows you to extend the battery life of your laptop, in several ways. It is the primary way to enable the Laptop Mode feature of the Linux kernel, which lets your hard drive spin down. In addition, it allows you to tweak a number of other power-related settings using a simple configuration file.
Install Laptop Mode Tools on Ubuntu
Open Terminal and run the following commands to install the latest version of Laptop Mode Tools on Ubuntu 15.04, Ubuntu 14.04 and Derivatives:
$ sudo add-apt-repository ppa:ubuntuhandbook1/apps
$ sudo apt-get update
$ sudo apt-get install laptop-mode-tools
Once installed, run the following command to enable access to the configuration file:
$ sudo lmt-config-gui
If you aren’t happy, you can uninstall the Laptop Mode Tools 1.68.1 from Ubuntu Systems. Run the following command to uninstall the Laptop Mode Tools 1.68.1 on Ubuntu:
$ sudo apt-get remove laptop-mode-tools