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Battery draining rapidly on Nest Protect Smoke + Co Alarm

Community Member

I received my Nest Protect 2nd Gen Smoke + Co Alarm three months ago and have already gone through three sets of batteries, including two set of the recommended lithium batteries.  Mine is a refurbished unit and I thought this might be the problem.  However, it seems to be a common problem with this device.  Any suggestions?


Community Member

The batteries should last much longer than that. Something to check is if you have the Pathlight turned on, and the brightness setting. I would recommend during this off on the battery unit but if you want it on, try lowering the brightness.

Community Specialist
Community Specialist

Hey there, 

Just wanted to jump in here to check to make sure that you saw our response. Please let us know if you have any other questions or concerns as I will be locking this in 24 hours. 


Have a great day. 

Garrett DS

Community Manager (Admin)
Community Manager (Admin)

Hey Folks

We haven't heard any updates from you. I'll go ahead and lock this thread. If you're still experiencing problems, feel free to start a new thread and we'll be happy to help.

Best Regards,