Are Nest thermostats battery operated? - The Smart Home Secrets
Nest Thermostat Battery Low | How To Charge Your Nest - YouTube
Does a Nest Thermostat Work Without Power? - Coastal Home Services
How Long Does Nest Thermostat Battery Last Without Power? (Solved)
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
Same great Nest, now with a temperature sensor - CNET