• Iced Raktajino@startrek.website
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    2 months ago

    If only 9 volts were that price, I’d stock up for the smoke detectors for the next 5 years.

    For everything else, I bought a bunch of rechargeable AA and AAAs a while back and those have been great. Haven’t used a D battery in years and a C battery for decades. I assumed they stopped making C’s.

    • paultimate14@lemmy.world
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      2 months ago

      They make rechargeable 9vs.

      Since it costs me virtually nothing, I change my smoke detector batteries every 6 months. That way I can do it at my own convenience, at like 2pm on a Sunday afternoon, instead of 3AM on a Wednesday morning when one starts to chirp.