How often should you change your smoke detector battery?

Answer Check your smoke detector once a month to ensure it's working properly, and change the batteries once a year.Source:US Consumer Product Safety Commission

Top Q&A For: How often should you change your smoke detector...

How to Change a Battery in a BRK Smoke Detector?

BRK manufactures smoke detectors. The company's battery operated models use a 9-volt snap-in battery, standard in battery-operated smoke detectors. The battery in a smoke detector should be changed... Read More »

How do I change a battery in a wired smoke detector?

Remove the UnitGrab the plastic casing on your hard wired smoke detector, and pull it off from the wall. Many wired smoke detectors swivel from one side so that parts do not fall off of the unit. Y... Read More »

How do you change the battery on the kidde carbon monoxide and smoke detector?

The website had the directions. I have an AC and battery smoke detector/carbon monoxide combo. The trick, after twisting the unit from the ceiling mount, was to "squeeze" the white box co... Read More »

How often do you need to change the battery in a smoke alarm?

The National Fire Protection Association (NFPA) suggests replacing a 9 V alkaline battery in a smoke detector once a year, and to test it once a month. See the related link below for more information.