Amazon.com: CS Cameron Sino 3.70V New Battery for Nest A0013, Learning Thermostat 2nd 3rd Genera, 3rd Gen, T3007ES, T3008US, T4000ES, Thermostat E
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
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