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Re:Hosting a website on a disposable vape by Someone1234 on Monday September 15, 2025 @12:10PM (#45251419)
Most of those smoke detectors are old and already passed their 10-year-lifespan. People keep putting 9-volt batteries in them, but they shouldn't.

If you go look at modern smoke detectors, many-to-most, now have a non-replaceable battery for exactly that reason.

Re:Hosting a website on a disposable vape by wpm on Monday September 15, 2025 @12:32PM (#45251754)
I didn't have to look far to replace my combo CO/Smoke detector or do a ton of hard searching to find one that just took a 9-volt. The first two results on Amazon US for "smoke detector" take 9-volts.
Re:Hosting a website on a disposable vape by Someone1234 on Monday September 15, 2025 @12:39PM (#45251828)
> The first two results on Amazon US for "smoke detector" take 9-volts.

I did the same thing, and the first four results were Kidde and First Alert Smoke Alarms with non-replaceable 10-year lifespan batteries.

It is likely because you recently purchased one, and Amazon has targeted your results based on your purchase history.

Re:Hosting a website on a disposable vape by sitzkrieg on Monday September 15, 2025 @01:38PM (#45252627)
thank you for the information, i bought some in 2023 and they all take 9v batteries so i am quite surprised by this