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Wattz

A battery power status bar indicator
New in version 1.7
* Add "Charging Since" field to main app
* Only show "Time to Full" field in main app if actually charging
wattz is a simple battery power indicator for your Android device's status bar, showing the number of watts coming out of, or going into, the battery. Opening the app also shows additional detailed battery metrics.

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 1.7 (7) suggested Added on 2022-09-23

    This version requires Android 9.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • run foreground service
      Allows the app to make use of foreground services.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.

    Download APK 2.3 MiB PGP Signature | Build Log

  • Version 1.6 (6) - Added on 2022-09-23

    This version requires Android 9.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • run foreground service
      Allows the app to make use of foreground services.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.

    Download APK 2.3 MiB PGP Signature | Build Log

  • Version 1.5 (5) - Added on 2022-09-21

    This version requires Android 9.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • run foreground service
      Allows the app to make use of foreground services.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.

    Download APK 2.3 MiB PGP Signature | Build Log