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How long will a 9-volt battery last in a fire alarm?

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2015-01-19

Smoke detectors provide timely fire alerts, giving people more time to prepare and evacuate. Many smoke alarms are powered by 9-volt batteries that require regular replacement and testing to ensure the device remains functional at all times. Rather than guessing when the battery will run out, it is best to establish a routine for testing the alarm and replacing the battery as needed. Maintaining the battery in good working condition is one of the core responsibilities of every property owner.

Smoke detectors provide timely fire alerts, giving people more time to prepare and evacuate. Many smoke alarms are powered by 9-volt batteries that require regular replacement and testing to ensure the device remains functional at all times. Rather than guessing when the battery will run out, it is best to establish a routine schedule for testing the alarm and replacing the battery as needed. Maintaining the battery in good working condition is a core responsibility of every property owner.

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