Track expired smoke detector batteries with a strip of masking tape

Ten years ago I undertook a large-scale home renovation project on my sixty year-old home.  Due to the size of the renovation, building codes required the installation of a whole-house, AC hardwired smoke and carbon monoxide detection system.

Apply a piece of masking tape to a 9 volt battery in order to date stamp the date of last replacement.

Apply a piece of masking tape to a 9 volt battery in order to date stamp the date of last replacement.

My system includes six detectors in total:  three smoke-only, and three combination smoke and carbon monoxide.

I’ve discovered a strip of masking tape provides the perfect surface to write a date stamp to indicate an expired battery.  This is convenient for households where the chore of changing batteries is done by more than one person.

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1 Response »

  1. I would suggest writing the date on the detector itself with an indelible marker, the avoids having to remove the battery to inspect the date. Then again, your device does have a ‘test weekly’ button, regardless of when the battery was installed 😉 But who tests their smoke alarms regularly?!

    Like

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I am Matt Robb, a technology and fiction writer. Continue reading →

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