How to Change the Batteries in Smoke and Carbon Monoxide Detectors

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You probably don’t think about smoke detectors or carbon monoxide detectors much, at least not until they start beeping at you that their batteries are low, but these detectors are important and can be life-saving. Learn how to test, how often to test, and how to change the batteries in this video.
 


You test both a smoke detector and a carbon monoxide detector in the same way. Just hold down the “test” button until you hear a loud beep or series of beeps. That will let you know that the detector is working and the batteries are good. It’s recommended to test all your detectors once per month and change out the batteries once a year.

Changing the batteries in your smoke or carbon monoxide detector is easy. In fact, the hardest part is usually remembering to go out and buy the batteries. Make sure safety is first and you’re standing on something sturdy if you can’t reach the detector from the floor. Then you’ll just remove the cover (usually by twisting to the left) to expose the battery and other mechanisms. Remove the old battery, then use the guides to match up the positive and negative areas of the new battery. Replace the cover and you’re done!


Swapping out the batteries in your smoke detector and carbon monoxide detector isn’t hard, but it is important and can help keep you and your neighbors safe.

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