Replace the battery cover and hold the smoke detector up against the mounting.
Smoke alarm battery replacement.
The battery compartment should be visible on the back side of the detector remove the cover and replace the battery.
To replace batteries in models with rear loading batteries.
Is the old idea of replacing batteries every six months still relevant.
Mark the date you changed your battery on the inside of the smoke alarm.
Or set a calendar reminder for when to change your smoke alarm batteries.
Here s how to change the battery in your smoke detector.
Most smoke detectors use 9v batteries.
After 10 years smoke alarms expire.
At this time you must remove the old battery and replace it with a fresh battery of similar brand.
Expert advice on how to replace or change a smoke detector battery including a helpful diagram of a smoke detector s main parts.
When the battery requires replacement the alarm will sound with a short beep or chirp.
New battery in a smoke.
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 duracell batteries i bought are good for five and 10 years.
Replace the backup battery in a hard wire unit yearly whether it beeps or not.
Nearly every type of smoke detector makes a chirping sound to let you know when it s time to change the battery.
I just spent 20 again on batteries for my smoke alarm.
Turning the detector clockwise should reattach it to the mount.
Be sure the battery is new so that it lasts the full ten year life expectancy of most home smoke detectors.