This video shows how to replace the battery in an ei141 ionisation smoke alarm made by ei electronics aico.
Fire alarm battery change.
The smoke alarm will chirp once to indicate the battery is connected.
Fire alarm back up battery manufacturers are stamping the fire alarm batteries with the month and year of manufacture.
Please note that we are not the manufacturer bu.
A good rule of thumb is to change it when the clocks change in the fall and spring.
When the battery is low the alarm begins chirping every 30 seconds to indicate a new battery is needed.
Replace the backup battery in a hard wire unit yearly whether it beeps or not.
It is a sporadic chirp or beep not a constant blast.
Alarms with removeable non sealed batteries need fresh batteries about once per year.
This alarm is different than the deafening blaring fire alarm that occurs during a fire.
The fire alarm battery pictured above is manufactured by power sonic and has a date tamp of 10194 h on it.
Or set a calendar reminder for when to change your smoke alarm batteries.
Use brand name duracell energizer or everready batteries with.
Battery operated smoke detectors detect smoke from a fire.
For a long life battery detector test the alarm monthly and replace the detector according to your manufacturer s instruction.
I wont go into too many details about battery date codes as i have another.
Install the battery back in the smoke detector.
Most of these are built to last for ten years.
When they detect smoke they begin to emit a loud warning alarm.
Both battery operated and household current smoke detectors sound the previously mentioned beeping or chirping low battery alarm.
Replacement battery types most detectors take aa or 9v batteries.
If your alarm is sounding the low battery chirp about once per 30 60 seconds it s likely time to replace your battery.
Fire safety experts recommend you replace your smoke alarm battery two times a year.
The 2007 nfpa72 shows in table 10 4 4 item 6 d 1 that the sealed lead acid batteries used for battery backup in fire alarm systems need to be replaced within 5 years of manufacture.
Since this is an indispensable means of protection make sure that your home has an adequate number of smoke alarms installed.
A smoke alarm is necessary to ensure that you and your family are alerted in case of a fire at home.
This is the date that you want to mark down.