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
Nest Thermostat Battery — OneHourSmartHome.com
Google Nest Learning Smart Thermostat with WiFi Compatibility (3rd Generation) - Stainless Steel in the Smart Thermostats department at Lowes.com
Amazon.com: BORNMIO TL284443 Battery Replacement for Nest T3007ES T3008US Learning Thermostat 3rd Generation Learning Thermostat 3rd Gen Learning Thermostat 2nd Generation A0013 : Tools & Home Improvement
REPLACEMENT PART: Google Nest 3rd Thermostat Display Smart WIFI Learning NO BASE – ASA College: Florida
Amazon.com: 380mAh XPS Replacement Battery for NEST A0013 Learning Thermostat 2nd Generation Learning Thermostat 3rd Gen Learning Thermostat 3rd Generation T3007ES T3008US PN TL284443 : Tools & Home Improvement