800mAh Nest Thermostat Battery Replacement [TL284443] – Compatible with 2nd & 3rd Gen Nest Learning Thermostat (T3007ES, T3008US, A0013) – Includes Installation Tool Kit
![800mAh Nest Thermostat Battery Replacement [TL284443] – Compatible with 2nd & 3rd Gen Nest Learning Thermostat (T3007ES, T3008US, A0013) – Includes Installation Tool Kit](https://i0.wp.com/m.media-amazon.com/images/I/61JC2mPK45L._AC_SL1500_.jpg?w=1920&resize=1920,1862&ssl=1 "800mAh Nest Thermostat Battery Replacement [TL284443] – Compatible with 2nd & 3rd Gen Nest Learning Thermostat (T3007ES, T3008US, A0013) – Includes Installation Tool Kit")
![800mAh Nest Thermostat Battery Replacement [TL284443] – Compatible with 2nd & 3rd Gen Nest Learning Thermostat (T3007ES, T3008US, A0013) – Includes Installation Tool Kit](https://m.media-amazon.com/images/I/61JC2mPK45L._AC_SL1500_.jpg "800mAh Nest Thermostat Battery Replacement [TL284443] – Compatible with 2nd & 3rd Gen Nest Learning Thermostat (T3007ES, T3008US, A0013) – Includes Installation Tool Kit")
Price: $15.89
(as of Apr 11, 2026 17:24:49 UTC – Details)
Product description
Warm Tips:
Guaranteed Compatibility: Direct replacement for Nest Thermostat model numbers TL284443, T3007ES, T3008US, and A0013. Fits Nest Learning Thermostats (2nd and 3rd Generation). Always double-check your thermostat model before purchase
Long-Lasting Power & Performance: Enjoy extended battery life with our brand new, high-capacity cell（800mAh）. Engineered for up to 900 charging cycles, this replacement battery restores your Nest thermostat to peak performance and provides reliable, long-term power.
Safety & Reliability: built with Grade A+ battery cells. Features built-in protection against over-charging, over-discharging, short-circuits, and overheating for ultimate peace of mind and device safety
Easy Plug-and-Play Installation: Comes with a handy replacement tool kit for a straightforward installation process.
Worry-Free Purchase & Support: Backed by our reliable US-based customer service. If you have any issues, contact us via “Contact Seller” for a prompt response within 24 hours. Your satisfaction is guaranteed!
