Entity is using native unit of measurement 'None'

[tonizabel]

The problem

I have this in my LOG:

Entity is using native unit of measurement 'None' which is not a valid unit for the device class ('battery') it is using.

What version of Home Assistant Core has the issue?

core-2024.7.1

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

Sensor

Link to integration documentation on our website

No response

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

Logger: homeassistant.components.sensor
Quelle: components/sensor/__init__.py:722
Integration: Sensor (Dokumentation, Probleme)
Erstmals aufgetreten: 09:45:11 (1 Vorkommnisse)
Zuletzt protokolliert: 09:45:11

Entity sensor.iphone_13_battery_level (<class 'homeassistant.components.mobile_app.sensor.MobileAppSensor'>) is using native unit of measurement 'None' which is not a valid unit for the device class ('battery') it is using; expected one of ['%']; Please update your configuration if your entity is manually configured, otherwise create a bug report at https://github.com/home-assistant/core/issues?q=is%3Aopen+is%3Aissue+label%3A%22integration%3A+mobile_app%22

Additional information

No response

[home-assistant[bot]]

Hey there @home-assistant/core, mind taking a look at this issue as it has been labeled with an integration (mobile_app) you are listed as a code owner for? Thanks!

Code owner commands

Code owners of `mobile_app` can trigger bot actions by commenting: - `@home-assistant close` Closes the issue. - `@home-assistant rename Awesome new title` Renames the issue. - `@home-assistant reopen` Reopen the issue. - `@home-assistant unassign mobile_app` Removes the current integration label and assignees on the issue, add the integration domain after the command. - `@home-assistant add-label needs-more-information` Add a label (needs-more-information, problem in dependency, problem in custom component) to the issue. - `@home-assistant remove-label needs-more-information` Remove a label (needs-more-information, problem in dependency, problem in custom component) on the issue.

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