Smart Home Devices Parts
Replacement parts for your Smart Home Devices model to fix your broken device!
iFixit has you covered with parts, tools, and free repair guides. Repair with confidence! All of our replacement parts are tested to rigorous standards and backed by our industry-leading warranty.
Nest Thermostat (Gen 2/3) Battery
Replace a 380 mAh rechargeable battery compatible with the 2nd and 3rd generation Nest Thermostat. Part #TL284443. 3.7 Volts (V).
Replacement parts for smart home hubs and communication devices.