Detectors that use lithium batteries will last for ten years. You generally cannot replace the battery, instead, replace the entire detector after its ten year life span is expired. Many detectors will make use of a 9v battery. However, some may require different types of batteries.
Smoke detectors used 9V batteries for decades, but starting around 2014 the trend. and you're using the 9V size, see my page on 9V batteries for your options.
Thank you for choosing BRK Brands, Inc. for your Smoke Alarm needs. You have. for easy battery replacement without removing the alarm from the ceiling or.
The Ultralife 10 Year Smoke Detector Battery is the only 9V battery warranted to last 10 years. Alkaline batteries in smoke detectors have to be changed every year. With the Ultralife 10 Year Battery, state-of-the-art lithium technology keeps your life-saving detector energized for a full 10 years.
Have your ID code, replacement battery, and know which zone has a low battery when you call to set your alarm to Test Mode. Your keypad can be put on Test .