10 Year Smoke Detector Batteries
10 Year Smoke Detector Batteries . • photoelectric or ionization smoke detecting technology. I found and installed an economical, ionization smoke alarm with good reviews: Smoke detectors Expiration dates loom, replacement needed? St from www.stgeorgeutah.com Click here for full description. The lithium batteries and the 10 year smoke detectors. Could be many things, first the unit could have been sitting on the shelf for awhile, and was older than expected, but less than two years of use is unexpected.