But the instructions on a battery operated alarm say it should be replaced in 10 years.
10 year battery life smoke alarm.
The life expectancy of smoke alarms is generally 10 years after which point their sensors can begin to.
As the name suggests these smoke detectors come with batteries those have a life of as many as 10 years.
Kidde hardwire smoke detector with 10 year battery backup intelligent wire free voice interconnect and safety light 54 96 54 96.
With the ultralife 10 year battery state of the art lithium technology keeps your life saving detector energized for a full 10 years.
The kidde i1040 is a 10 year sealed battery ionization smoke alarm with alarm memory and hush feature.
Meets 10 year alarm codes where required.
10 year sealed lithium power cell so you don t have to replace the battery for the life of the alarm.
If you don t 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.
This 10 year series is available in smoke carbon monoxide and combination alarms.
The built in 10 year lithium ion battery provides continuous power with no need to worry about changing the battery over the lifetime of the smoke detector and it can be easily installed without wires.
Benefits of 10 year smoke alarms.
End of life signal alerts you when alarm needs to be replaced.
The i1040 alarm will automatically activate when it is attached to the mounting bracket there are no pull tabs no switches everything is automatic.
The ultralife 10 year smoke detector battery is the only 9v battery warranted to last 10 years.
The detector could have been used detected smoke.
Alarm sensor type ionization.
Alarm sensor type photoelectric.
First alert battery operated long life lithium smoke detector alarm 14 49 14 49.
Single button test silence to ensure your alarm is working properly.
The first alert 10 year battery ultimate protection smoke alarm provides early warning of both flaming and smoldering fires.
What are 10 year smoke alarms.
This means 10 year battery sealed smoke alarms come with 10 years of guarantee and that is what makes them the most popular choice in the market.
All smoke and fire alarms should be replaced at least every 10 years and tested regularly to ensure the alarm is functioning properly.
Could be many things first the unit could have been sitting on the shelf for awhile and was older than expected but less than two years of use is unexpected.