Window sensor still showing battery needs to be replaced

KF64 Good morning! We appreciate you reaching out to our Xfinity Forums Team regarding your Xfinity Home Sensor. That can definitely be annoying trying to work around. I'm happy to help you get this ironed out. Can you please share what model of window sensor we will be working with? 

 

https://www.xfinity.com/support/articles/xh-device-battery-replacement