How to change the batteries in a smoke alarm

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How to change the batteries in a smoke alarm

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Project Overview

Working smoke alarms reduce the risk of fire in your home and help protect the lives of the whole household. Make sure your smoke alarms are working properly by testing each one and replacing their batteries at least once a year. This video shows you how quickly and easily you can change a battery by yourself.
Continue to step-by-step instructions

Step by Step Instructions

1 Remove the smoke alarm from its bracket
2 Replace the old battery with a new one
  • Step 1. Remove the smoke alarm from its bracket

    Battery-powered smoke alarms are usually secured to the ceiling using a basic click-in-to-place bracket. Climb up the ladder and remove the alarm from the bracket. Every alarm model has a different way of doing this, but normally you either turn the alarm or slide it out to release it.
  • Step 2. Replace the old battery with a new one

    It’s safer to come down the ladder before doing this step. Disconnect the old battery and replace it with a new one. Once the new one is in place, climb back up the ladder and fix the alarm back into its bracket. While you’re up there, press the alarm’s test button to make sure it’s working.
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