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Troubleshoot when Nest Protect batteries are low during setup

If Google Nest Protect chirps or notifies you in the app that the batteries are low after initial setup it's possible that the batteries’ voltage has temporarily dropped. This can sometimes happen when it takes longer than expected to connect your new Nest Protect to your Wi-Fi network and add it to your account. There are a couple of solutions depending on what you see and hear.

If you get a low-battery message in the app but Nest Protect doesn't chirp

If you get a message in the Nest app right after you’ve added your Nest Protect to your account but you don’t hear a chirp, go ahead and  mount it on your wall or ceiling. Wait a day or two and see if the issue resolves itself.

If you hear a low-battery chirp from Nest Protect

If your Nest Protect chirps right after you've added it to your
account in the app, follow these steps to get the batteries back up
to a full charge.

  1. Take the batteries out for about four hours. They’ll need this time to go back to full charge.
    • Note: Use this article to learn how to remove the batteries and put them back in.
  2. Put the batteries back in then press the center button to reconnect it to Wi-Fi.
  3. On the Nest app home screen tap on your Protect.
  4. Check Battery. It should have a green checkmark next to it, indicating that the battery charge is back to normal.
app protect battery phone image

If this doesn’t work and you need to replace the batteries in your Nest Protect with fresh new batteries:

Note: If a blue light doesn't appear or you don't get a welcome message after removing the battery tab, the batteries may need to be pushed back into place or part of the battery tab may have broken off. To fix the problem, use the steps in this help center article to remove the batteries then check for pieces of the battery tab that are left in the battery tray and put the batteries back in.

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