Pixel 7 Pro - Battery indicator suck at 100% and usage data empty

I have the following issue with the Pixel 7 Pro.

• Adaptive charging enabled ( and alarm set as required)
• Put the Pixel 7 Pro onto the Pixel Stand 2 at the evening
• In the morning the device was fully charged (and I had the pateu at 80% as expected)

=> So far so good

But after taking the device from the stand in the morning the battery icon and percentage at the top and in the Settings -> Battery stayed at 100% for a very long time (2+ hours)

The battery usage data were empty (for some 2 hour blocks starting in the later half of the night)

Reboot did not help.

I found some indication in the internet, that stuck battery indicator could be caused by adaptive charging (at least in earlier devices). Turning the adaptive charging off and rebooting helped and stats as well as indicator worked again.

I switched adaptive charging back on and faced the same issue this morning.

Unfortunately the google help desk comes only with the genertic suggestions (check for a system update / Unroot your phone / Perform a factory reset) - no system update availabel, phone not rooted, and factory reset for me is the last resort, as setting up the device again takes some hours.

Anyone else facing this problems and/or has a solution for this?

Would be greatful for any hint!
Br, Jürgen