The original item was published from 3/6/2020 5:43:00 PM to 3/10/2020 12:00:03 AM.

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Posted on: March 6, 2020

[ARCHIVED] Spring Forward and Test your Smoke Alarms

Daylight savings time is here again and the Bismarck Fire Department asks residents: Is your smoke alarm still working? A smoke alarm with a dead or missing battery is the same as having no smoke alarm at all. A smoke alarm only works when it is properly installed and regularly tested. Follow these tips to maintain your smoke alarms and keep your family safe.

Smoke alarm powered by a nine-volt battery

• Test the alarm monthly.

• Replace the batteries at least once every year.

• Replace the entire smoke alarm every 10 years.

Smoke alarm powered by a 10-year lithium (or “long-life”) battery

• Test the alarm monthly.

• Since you cannot (and should not) replace the lithium battery, replace the entire smoke alarm according to the manufacturer’s instructions.

Smoke alarm that is hardwired into your home’s electrical system

• Test the alarm monthly.

• Replace the backup battery at least once every year.

• Replace the entire smoke alarm every 10 years.

Modern smoke alarms will emit a ‘chirp’ that will indicate a low battery or the end of service life.