A free program for Android, by Sony Mobile Communications.

This application is designed to help you to know the remaining battery life of your smartphone. It analyzes the usage of your device and, after a learning phase, provides you with an estimate of the remaining battery life. In addition, the application can also learn the usual charging time, depending on your phone type. It is very simple and easy to use. It does not need to download any other applications or have any special permissions. It does not use the Internet connection and works even if the phone is turned off.

How to use it?

In order to start using this application, you have to launch it for the first time. After that, it will start learning the battery usage. In order to learn the battery usage, the application needs to be running. After that, it will provide you with an estimate of the remaining battery life.

In addition to that, it can also learn the usual charging time. It can be used on all Android smartphones. It does not need any special permissions. It does not need to download any other applications. It works even if the phone is turned off.