The average smoke alarm battery life is one year but this time frame will vary depending on the type of alarm system you have in your home and the batteries you use to power it.
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.
Gently pry the cover open or unclip the body of the detector from its base with a slight twisting motion.
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.
Once when you switch to daylight savings time and once when you switch back to daylight standard time.
The general rule is to replace the battery twice a year.
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.
Hi this video shows you how to change the battery in 5 different smoke alarms detectors and 1 carbon monoxide alarm.
Be sure the battery is new so that it lasts the full ten year life expectancy of most home smoke detectors.
1 remove the cover or body.
Hopefully after watching the video you.
Or set a calendar reminder for when to change your smoke alarm batteries.
Step by step here s how to change a smoke detector battery.
Fire safety experts recommend you replace your smoke alarm battery two times a year.