This is a simple application for a battery that not only lets you know the level but also keeps you updated about the battery status. It also provides you with the option to set an alarm. If your phone's battery level drops below a certain level, the app will notify you so that you can take the appropriate action.

The app has an extensive settings page wherein you can set the alarm, notification, and ringtone volume. The sound can also be turned off in the settings. In order to get the best experience from the app, you should allow notifications for this app. It will notify you about the low battery level.