Smoke alarm batteries typically last between 6 months and 10 years, depending on the type of battery and the alarm. Commonly used 9V alkaline batteries last about 6-12 months. Lithium batteries found in some alarms can last 5-10 years. Some alarms have sealed, non-replaceable lithium batteries that are designed to last the entire life of the alarm, usually 10 years.
Anka 10-year lithium battery smoke detectorBattery Types Explained by anka security
9V Alkaline Battery
This is the most common type and needs to be replaced every 6-12 months.
Lithium Battery
These batteries can last longer, usually 5-10 years, and are often found in 10-year sealed battery alarms.
Sealed Lithium Battery
These batteries are designed to last the life of the smoke alarm, usually 10 years.
Important Maintenance Notes
Testing
It is recommended to test smoke alarms monthly and replace the batteries at least once a year.
Low Battery Chirp
The chirping sound indicates that the battery is low and needs to be replaced.
New Alarm Recommendation
Consider replacing your old alarm with a new one with a 10-year sealed lithium battery.
Leave A Comment