Refer to the chart to find the right batteries for common first alert alarms.
First alert battery replacement 9v.
The first alert sa300cn3 battery operated ionization smoke alarm is ideal for detecting fast flaming fires.
Use brand name duracell energizer or everready batteries with an expiration date 4 years from today s date.
It includes a 9 volt battery for backup and continued function in the event of a power outage.
However nowadays it is more common to see two or three aas.
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.
Remove the old battery.
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The sensor is optimized to detect flaming fires such as those caused by paper kitchen grease and other fast combusting materials.
Rechargeable batteries are not recommended.
In this article you ll learn how to replace a 9v battery in a smoke alarm.
The battery in your smoke alarm should be something that you can rely on.
Replacement battery types most detectors take aa or 9v batteries.
The first alert sc9120b hardwired combination smoke and carbon monoxide alarm is a hardwire alarm with battery backup.
Use the single test button to check the functionality of the device.
How to replace a 9v battery.
Use the plastic tab to gently open the battery compartment.
Perfect for general use in a home or business this alarm has ionization technology that detects smoke as soon it enters the chamber and sounds the siren.
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That s why at first alert we recommend a 10 year sealed battery smoke alarm.
Some first alert or brk alarm models run on a 9 volt battery or backup battery.
This combination fire and co detector features a test silence button and tamper resistant locking brackets.
Brk and first alert battery smoke alarms are designed to be easy to install easy to maintain and quality engineered for years of virtually.