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How to Change Fire Alarm Batteries

Updated April 17, 2017

Smelling smoke in your house should not be the only indication that there is a fire. Smoke detectors should awaken you or get your attention before a blaze becomes out of control. Fire alarms are one of the most important safety tools in a home. It is recommended that fire alarms be tested once a month, and the batteries changed once every six months.

Check to see if your fire alarm runs on batteries or if it is wired into the electricity in your home. If it is wired into your home's electricity, hit the test button to make sure it is properly functioning. Do not remove it from the ceiling.

Remove the cover from the smoke detector. It usually has a clip on the side to push and pull the cover off.

Remove the old battery by pulling it out.

Insert a new battery into the same slot. The detector may beep to recognise a new battery.

Replace the cover on the alarm.

Test the alarm by pressing the test button.

Tip

Replace the alarm every 10 years. You can also purchase combination smoke detectors and carbon monoxide detectors.

Warning

If the smoke alarm goes off you have little time to get out of the house and call emergency authorities. Leave your belongings and make sure your entire family is out of the house. If the alarm is congested with dust and dirt, wipe out the alarm with a dry rag. Older people may have a hard time climbing up to the ceiling to change a battery. In this case, purchase an alarm that can be tested with a flashlight, but someone will have to help with changing the battery.

Things You'll Need

  • Ladder/chair
  • New battery
  • Rag

References

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About the Author

Bailey Granger has been a military journalist since 2006. She also has an extensive professional background in computer repair, performing arts and social sciences. Granger holds a Master of Science in strategic intelligence from American Military University and a Bachelor of Arts in international relations from Bridgewater State College.