First Alert Battery Replacement 9v

Replacement battery types most detectors take aa or 9v batteries.
First alert battery replacement 9v. The battery should be replaced once per year. Change smoke alarm battery. 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. In this article you ll learn how to replace a 9v battery in a smoke alarm.
Remove the old battery. Brk electronics first alert sa710ab 9v dc alkaline battery operated photoelectric smoke alarm brk electronics first alert sa3210 dual sensor dc 10 year sealed lithium battery powered photoelectric and ionization smoke alarm brk electronics first alert 4120b 120v ac dc hardwired with 9v battery backup ionization smoke alarm upgraded to 9120b. Use brand name duracell energizer or everready batteries with an expiration date 4 years from today s date. How to replace a 9v battery.
Rechargeable batteries are not recommended. Use the plastic tab to gently open the battery compartment. 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. That s why at first alert we recommend a 10 year sealed battery smoke alarm.
Use the single test button to check the functionality of the device. Brk electronics first alert sa302cn 9v dc dual sensor battery operated photoelectric and ionization smoke alarm upgraded to sa320b brk electronics first alert fg250ab 9v dc alkaline battery operated ionization smoke alarm brk electronics first alert 7010b 120v ac dc hardwired with 9v battery backup photoelectric smoke alarm. Brk and first alert battery smoke alarms are designed to be easy to install easy to maintain and quality engineered for years of virtually. This combination fire and co detector features a test silence button and tamper resistant locking brackets.
The battery in your smoke alarm should be something that you can rely on. The first alert sc9120b hardwired combination smoke and carbon monoxide alarm is a hardwire alarm with battery backup. It includes a 9 volt battery for backup and continued function in the event of a power outage. Refer to the chart to find the right batteries for common first alert alarms.
The sensor is optimized to detect flaming fires such as those caused by paper kitchen grease and other fast combusting materials. However nowadays it is more common to see two or three aas.