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Nest Thermostat E Battery Replacement

Introduction

Replacing the battery on your Nest couldn't be easier. The only tools required are tweezers, a Phillips #0 screwdriver, Phillips #2 screwdriver, and the opening tool

What you need

  1. Nest Thermostat E Battery Replacement, Base Plate: step 1, image 1 of 1

    • Grasp the display's outer ring with your fingers and pull directly away while rotating clockwise to remove the thermostat from the wall.

    • Go to the electrical panel and turn off the circuit to make sure no power is running to the thermostat.

    • Once the power is off, disconnect the Y1, G, R, W1, C, and OB wires.

    • Remember the placement of each wire for reassembly.

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  2. Nest Thermostat E Battery Replacement: step 2, image 1 of 1

    • Remove the two 1 ¼” drywall screws holding the base display and base plate in the wall using a Phillips #2 screwdriver.

    • Remove the base plate and base display.

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  3. Nest Thermostat E Battery Replacement: step 3, image 1 of 1

    • Pry the base display off of the baseplate using an iFixit opening tool.

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  5. Nest Thermostat E Battery Replacement, Battery: step 4, image 1 of 1

    • Remove the four 6 mm screws using a Phillips #0 screwdriver.

    • The two smaller screws go around the pin connector and the two larger screws go by the outside bezel.

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  6. Nest Thermostat E Battery Replacement: step 5, image 1 of 1

    • Grab the pin connector and gently pull up to remove the thermostat backplate from the thermostat.

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  7. Nest Thermostat E Battery Replacement: step 6, image 1 of 1

    • Remove the four grey 6 mm screws and remove them along with the two pull tabs.

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  8. Nest Thermostat E Battery Replacement: step 7, image 1 of 1

    • Grasp the orange tab with tweezers and gently pull the ribbon cable directly away from the motherboard.

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  9. Nest Thermostat E Battery Replacement: step 8, image 1 of 1

    • Flip the display over and the battery casing will fall from the base.

    • Alternatively, you can grab the four metal triangles and pull up lightly.

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  10. Nest Thermostat E Battery Replacement: step 9, image 1 of 1

    • Disconnect the battery connection identifiable by the black, yellow, and red wire.

    • Pull down the two pull tabs on the battery.

    • Grasp the battery with your fingers.

    • Pull gently directly away from the display to unplug the battery from the display motherboard.

    • Removing the battery will require breaking the existing adhesive seal. The new battery will come with a new adhesive seal to be placed on the motherboard.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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