Nest thermostat says it has a low battery and won't connect to wifi anymore. Checked the technical info and from what I've read, all numerical values check out that it should be
How To Fix Nest Thermostat Battery Won't Charge
Nest Thermostat Battery Low | How To Charge Your Nest - YouTube
Nest Low Battery Fix! - YouTube
4-Pack Google Nest Thermostats. 2 x Gen 3 Learning + 2 x Thermostat E (Snow) | eBay
Fix Nest won't Turn on and Nest Thermostat Battery won't Charge Issues
How To Fix Nest Thermostat Battery Won't Charge
Troubleshoot when your thermostat won't turn on - Google Nest Help