Is it bug?
@Sugar You seem to be experiencing an issue with the U200 battery remaining at 100% for weeks. You can contact customer support for assistance. Contact the Aqara Home App Customer Service Team (Home > Help & Feedback > Customer Service) or scan the QR code:
This will be more efficient. If you do not have an Aqara Home account, Please click here to create a ticket. Sorry for the inconvenience.