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The original was posted on /r/newzealand by /u/BigSouthernRooster on 2024-10-14 23:28:44+00:00.

One of my home smoke alarm recently started beeping, I went to replace the battery and noticed the smoke alarm itself has an expiry/do not use past date on it, which I’m well past now.

So off I go to Mitre 10 and Bunnings’ websites to find new smoke alarms, only to come across 1 star review ratings on almost all of the traditional 9v battery powered alarms. Frequent complaints of failure to detect smoke, random beeping and more.

The same goes for the newer “10 year built in battery” disposable alarms - complaints of failure to detect smoke, batteries lasting less than 2 years etc. making these more expensive, but less maintenance required options seem like a bad choice also.

Seriously - give it a look yourself and I’m sure you’ll be surprised like me at how poorly rated almost every option is.

So where does one purchase a proper smoke alarm these days?