The MIUI 6 security app also allows you to boost the battery life of your Xiaomi phone.
Navigate to Security app and click on the left bottom battery icon which will open a new page with three options – Battery profiles, Battery Saver and Scheduled profile switch.
The Battery profile features three built-in profiles named Default, Marathon and Sleep.
It also lets you to create your own customized Battery profile.
The Battery saver option lets you to program the phone so that it will automatically switch to another battery profile, according to the current battery state.
Moreover, the scheduled battery switch lets you to set a particular battery profile for a particular period of time.