Smoke Detector

Smoke Detector

Learn about your smoke detector in this Invitation Homes "Know Your Home" video.


Hi, I’m Lance with Invitation Homes, and today, we’re going to talk about how to replace your smoke detector battery.

Changing your smoke detector battery once a year is important. Most of all for your safety, but also because it’s going to keep you from hearing that annoying chirping sound in the middle of the night when the battery goes dead. For most smoke detector models, the battery is located on the back of the smoke detector so you’ll need to remove it from the ceiling to gain access. Some models are hardwired into your home’s electricity and had a battery as a backup. These may require you to unplug the unit before you can replace the battery.

Locate the battery compartment and check the type of battery it uses. Typically, it’s a standard 9-volt battery, but there are exceptions. If it has the word lithium on it, then it doesn’t need replacement, and it will last the entire life of the detector, up to ten years. Replace the battery, being sure to install the new battery in the reverse order of the way you removed the old one. Reinstall the detector to the ceiling and be sure to test the unit by pushing the test button on the outside of the detector.

If you would like additional tips about your home, check out the Know Your Home video series on our website at

Thanks for watching!