sudo add-apt-repository ppa:linrunner/tlp

sudo apt-get update

sudo apt-get install tlp tlp-rdw

sudo tlp start


We can improve or save our battery life of our laptops, with tools like laptop-mode-tools and TLP. TLP is only available in PPA so the above commands will add the ppa and install tlp.

Note: You can’t install both the tools in one laptop, so use either of one.  to install laptop-mode-tools type following commands:

sudo apt-get install laptop-mode-tools