If you want to save some battery life, or just don’t need the feature, then you can follow these steps to turn off the Google Now Feed.
Category - Battery Life
If you have a smartphone or tablet that has an OLED display, then you can save some of your battery life by using Pixel Off to turn off some pixels.
Greenify does an amazing job at making rogue applications behave and today I want to show you how to stop those wakelocks and improve your battery life.
One of my favorite applications that requires root access is called BetterBatteryStats and it helps you to monitor exactly what apps are using your battery.