These alarms also have an end of life warning to remind you to replace the alarm after 10 years.
First alert smoke detector battery change.
The national fire protection association nfpa recommends changing the batteries in your smoke alarm every 6 months.
What smoke alarm do you have.
When installing the battery.
Insert the new batteries and make sure the contact points are.
Remove the old battery.
How to replace an alarm battery.
Choose the option that allows you and your family the most peace of mind.
Deactivate the bracket lock use a flathead screwdriver and place it in between the unit s mounting bracket and the mounting bracket pin.
The first step is to remove the smoke alarm from the mounting bracket.
At first alert we are committed to creating reliable products that help protect your home and family.
If the unit is locked onto the bracket you will have to deactivate the bracket lock.
The battery in 10 year alarms last for the life of the alarm eliminating the need for battery replacements.
If it s locked you may need to remove the locking pin to open it.
We also offer hardwire alarms with a battery backup for protection during power outages.
How to replace a 9v battery.
Remove the old batteries.
Buy a 10 year sealed battery smoke alarm.
How to change batteries in first alert alarms number of views 45 18k minimum installation requirements for models 1042135 or 1042136 onelink smart smoke co alarm.
At first alert we offer 10 year smoke alarms that have a built in 10 year battery which eliminates the need for battery replacements for the life of the alarms.
Use the plastic tab to gently open the battery compartment.