Ubuntu Laptop Power Management Using TLP

If you remember in my previous post, my Thinkpad Edge E420 does not support battery charge thresholds. Although disappointing, I stumbled upon this console tool, TLP, which help to optimize your laptop battery life through toggling on and off different devices such as bluetooth, wifi, and others.

1. Installation is pretty much very straight forward, which is also one of the main reason I like to use Ubuntu.
$ sudo add-apt-repository ppa:linrunner/tlp
$ sudo apt-get update
$ sudo apt-get install tlp tlp-rdw

2. Start the program immediately and see the battery status.
$ sudo tlp start
$ sudo tlp-stat -b

3. Applying either in battery or ac power mode.
$ sudo tlp bat
TLP started in battery mode.

$ sudo tlp ac
TLP started in ac mode.

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