7 doctors weighed in:
How often do I need to get my smoke detectors checked for batteries?
7 doctors weighed in

Dr. Craig Canapari
Pediatrics
4 doctors agree
In brief: 6 months
The rule of thumb is to check when the clocks change for daylight savings time.

In brief: 6 months
The rule of thumb is to check when the clocks change for daylight savings time.
Dr. Craig Canapari
Dr. Craig Canapari
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1 comment
Dr. Ruchi Mehta
Agreed. Change your batteries every 6months.
In brief: 12 months
Replace with fresh, unused, alkaline batteries yearly.
Pushing the button to see if it works - probably once a month.

In brief: 12 months
Replace with fresh, unused, alkaline batteries yearly.
Pushing the button to see if it works - probably once a month.
Dr. Anatoly Belilovsky
Dr. Anatoly Belilovsky
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