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Comment by ehsankia | Hacker News Reader

That's awesome. I'm glad that trackers have reached a price point, reliability and form factors that I can easily put one in everything I care about. I even have card ones in my wallet, my steam deck / e-reader case, etc.

Also, most of these have usb-c / wireless charging, so I don't have to mess with random cell batteries every 6 months.

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Given that the battery in my Airtag lasts about a year, I'd rather have to exchange a CR2032 once per year than to buy a new tracker whenever the built-in rechargeable battery inevitably dies. (I think there are actually rechargeable CR2032s too – best of both worlds?)

There are, and I got cursed with a BMW that uses one of them. Eventually after 10+ years it finally dies, and it's basically impossible to replace and actually make it work again, so I just have to replace the 2032 in it every few months.

Oh, is that what they use in their wirelessly recharging key fobs? I've always wondered what happened if the car were to outlive the key.

My Dad shipped a M car overseas a decade ago. The is fine. The keys are dead.

Since the islands he now lives on has no BMW presence they want him to ship the car back to get new keys.

FWIW, there's https://a.co/d/gOk1RkB which takes an airtag and AA batteries, and should need replacement in 10 years. Unless they make BMWs a lot smaller where you are, you can fit it somewhere. Now I just need a retailer that sells speakerless airtags.

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