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Wattz

A battery power status bar indicator
New in version 1.19
• Add charge level information
• Suppress potential crash when starting status indicator on newer Android devices

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, your 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 1.19 (19) suggested Added on Jul 03, 2024

    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 foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • show notifications
      Allows the app to show notifications
    • 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.
    • dubrowgn.wattz.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 0.7 MiB PGP Signature | Build Log

  • Version 1.18 (18) - Added on Feb 24, 2024

    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 foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • show notifications
      Allows the app to show notifications
    • 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.
    • dubrowgn.wattz.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 0.7 MiB PGP Signature | Build Log

  • Version 1.17 (17) - Added on Feb 11, 2024

    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 foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • show notifications
      Allows the app to show notifications
    • 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.
    • dubrowgn.wattz.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 0.9 MiB PGP Signature | Build Log