Nest Learning Thermostat 2nd Generation Battery Replacement
By Dustinluckenbill • Difficulty: Easy
Introduction

Replacing the battery on your Nest couldn't be easier. Removing 4 screws gets you into the Nest's display and the battery comes right out. The only tools required are tweezers and a Phillips #0 screwdriver.

Removal from Wall
  • Grasp the display's metal outer ring with your fingers and pull directly away from the wall.
Open Display
  • Turn the display over.
  • Remove the four 6 mm screws from the back of the display using a Phillips #0 screwdriver.
Remove the back of the display
  • Pinch the gray 20-pin connector with your fingers and pull directly away from the display.
  • Do NOT pull too far as there is a ribbon on the back panel connecting the 20-pin connector to the display.
Disconnect the base connection ribbon cable.
  • Locate the blue pull tab at the end of the ribbon which says, "1. Pull".
  • Grasp the tab with your fingers and pull directly away from the motherboard.
Lift battery from the base
  • Locate the blue tab which says, "2. Pull".
  • Use tweezers to pull the battery up and away from the display.
  • Do NOT pull too far, as the battery is still connected to the motherboard and must be unplugged.
Disconnect the battery from the motherboard
  • Locate the blue tab which says "3 unplug".
  • Grasp the battery with your fingers. Pull gently directly away from the display to unplug the battery from the motherboard.
Remove battery from the display
  • Grasp the battery with your fingers and pull directly away from motherboard to separate the battery from the display.
Conclusion

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