Change Smoke Alarm Battery

Be sure the battery is new so that it lasts the full ten year life expectancy of most home smoke detectors.

Change smoke alarm battery.

Replace the backup battery in a hard wire unit yearly whether it beeps or not. A good rule of thumb is to change it when the clocks change in the fall and spring. The sensing chamber a loud horn and a battery and in some cases house voltage power source. 1 remove the cover or body.

For most alarms the smoke detector battery change frequency is anywhere between six to twelve months. Inside you will find three main parts. Hopefully after watching the video you. Generally most smoke detectors use a 9 volt battery for power though you should always follow the directions that came in your smoke detector manual.

The general rule is to replace the battery twice a year. Step by step here s how to change a smoke detector battery. Once when you switch to daylight savings time and once when you switch back to daylight standard time. Gently pry the cover open or unclip the body of the detector from its base with a slight twisting motion.

Or set a calendar reminder for when to change your smoke alarm batteries. Kidde recommends replacing the batteries in all of your alarms at least once a year or any time the unit indicates that the battery is low.