I pulled my camera out last week to shoot a few photos, and I instantly remembered why I don’t like using this thing: it takes AA batteries. My wireless mouse takes one AA. I have three Xbox controllers that all take AAs. Over time, constantly swapping dead batteries and watching devices chew through them has given me an actual “ick” for anything that relies on AA cells.

But, as it turns out, there’s a lot more going on with AA batteries than I ever assumed. I’d ignored the text and markings on the packaging for years, but when I finally paid attention, everything clicked — and all my battery-related problems basically solved themselves. Consider this my attempt at redemption, so no one else repeats the same mistakes I did.

Why did I ignore the battery markings for so long?

Please let m

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