How Long Do Smoke Alarm Batteries Last. When the detector is utilized continually the life in the battery can be smaller. It is helpful to know to change smoke detector batteries every year to keep them in prime working order.

Detectors should be replaced every 10 years or anytime they act irregularly. Research into their longevity has concluded that hard-wired as well as battery-operated devices should be replaced every 10 years or sooner if they do not respond properly when tested. Battery-backup alarm A fresh battery should last for one year under normal operating conditions Kidde i9030 For most alarms you can use lithium batteries which last for several years.
Or consider a switch to a newer model of smoke alarm with a lithium-ion power source that lasts 10 years.
If you dont want to change batteries every year consider replacing older models with a 10-Year battery unit that never requires a battery replacement for the life of the alarm. Incidentally the maximum lifetime of smoke detectors in Europe is only 7 years rather than 10. There is an exception to the every-year rule. Shop Save Today.
