Quote:
Originally Posted by MorTech
Look at First Alert SMICO105-AC for replacement...Comes with 10 year battery.
The detector should be replaced every 10 years regardless.
The Villages Public Safety Department: 352-205-8280 will help with any questions.
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The detectors with built-in batteries are really not any different from the detectors with replaceable batteries. If you want the battery to last 10 years, just buy lithium 9-volt batteries. Note that the sealed detectors with built-in batteries are designed to meet the code that requires a stand-alone detector, that is not connected to the house wiring, to have a sealed battery. Otherwise, detectors with replaceable batteries will do the same thing.