This is an app in which you can control your Smartphone’s battery life, you can save battery life by activating basic battery saving functions or you can personalize the way you want to save your battery life.
juice-defender
It’s really simple to use and it was designed especially to extend the battery life of your Smartphone. It’s equipped with automatic settings that will allow the app to set up the CPU frequency according to how much demand it gets from running apps, etc. Also Juice Defender Ultimate can manage some of the most battery draining functions such as turning on or off WIFI, 3G/4G and so on. In other words if you are experiencing little battery lifetime in your Smartphone this may be the solution for you.