On Wed, Jan 13, 2021 at 7:58 PM Jay R. Ashworth <j...@baylink.com> wrote: > Last time I looked, consumer residential smoke detectors were still running > off 9V alkaline batteries, which are expected to run the device for 6 months > of 1/99 duty cycle (or less, probably *way* less).
Ordinary ionization-based smoke detectors use a 10-year lithium battery, which is about the same lifespan as the americium-based detector circuit as it begins to decay into neptunium. You may now resume your argument over how much battery drain is too much. Regards, Bill Herrin -- Hire me! https://bill.herrin.us/resume/
