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Amazon.com: CS Cameron Sino 3.70V New Battery for Nest A0013, Learning Thermostat 2nd 3rd Genera, 3rd Gen, T3007ES, T3008US, T4000ES, Thermostat E
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NEST Learning Thermostat 3rd Gen battery replacement || How to replace CameronSino CS-NLT200SL - YouTube
![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 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](https://i.redd.it/d0ladarigl281.jpg)