First alert began in 1958 when three friends set out to create a commercial smoke alarm.
First alert smoke detector battery.
In the six decades since we have continued to create innovative products from the first residential smoke alarm to the first battery operated carbon monoxide alarm.
Tamper resistant design eliminates removal of batteries for other uses and ensures operation over the life of the alarm.
Hardwired interconnectable photoelectric and ionization smoke alarm with battery backup.
How to replace a 9v battery.
9v has been the battery of choice for smoke alarms for many years.
That s why first alert offers a complete line of quality smoke alarms for your home.
For convenience first alert offers 10 year sealed battery smoke alarms that provide hassle free protection by eliminating the need for battery replacements and late night battery chirps for a decade.
The first alert tamper resistant lithium battery powered smoke alarm provides a full 10 years of protection without having to change the batteries.
Carbon monoxide plug in alarm with battery backup.
Use the plastic tab to gently open the battery compartment.
Some first alert or brk alarm models run on a 9 volt battery or backup battery.
Other devices have similar low battery chirps or warning tones that sound like the chirp our alarms make.
Sometimes smoke and co alarms will emit a high pitched chirp every few moments to let you know that they need your attention.
120v ac dc smoke alarm with alkaline battery.
Back of the alarm.
The battery should be replaced once per year.
Where there s smoke there s danger.
Play the video below to hear to the standard chirping patterns of first alert and brk alarms.
The sensor is optimized to detect flaming fires such as those caused by paper kitchen grease and other fast combusting materials.
First alert began in 1958 when three friends set out to create a commercial smoke alarm.
The battery in your smoke alarm should be something that you can rely on.
That s why at first alert we recommend a 10 year sealed battery smoke alarm.
Your batteries may not be fresh.
If batteries are stored especially in cold areas like refrigerators they lose their charge more quickly.
In this article you ll learn how to replace a 9v battery in a smoke alarm.
Back of the alarm.
However nowadays it is more common to see two or three aas.
What does a chirp sound like.
The first alert hardwired smoke alarm with battery backup comes equipped with an ionization sensor to provide the earliest possible warning of a fast flaming fire.
Usually it s something simple that needs to be fixed like a low battery.
Mute feature silences nuisance alarms from cooking smoke or shower steam.