This is a great option for laptops, using this myself atm and works like acharm.
Been checking cpu governor in terminal to see that its correct and it is, so check my previous post for more power on the Wifi on battery and install this.
Small lite indicator that wrks in Unity (Ubuntu 14.04)

Optional tweaks

Tweak your CPU frequency with indicator-cpufreq

Installation

indicator-cpufreq will help you change your CPU frequency on the go:

 sudo apt-get install indicator-cpufreq 

Go to Dash > search for Startup > edit indicator-cpufreq add -f or copy paste the following command:

 indicator-cpufreq -f 

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With the indicator you will be able to monitor your current CPU frequency & can change CPU frequency

Changing CPU frequency

Click on indicator

AtOYL


					
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