I mean it’s magic right? It’s gotta be magic. How would they even be powered? Or connected to anything? You’re telling me they just sit inside a tire and know shit and communicate it?
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Dunno why people think that TPMS sensors charge themselves.
They just use a battery. It lasts up to 10 years but when it dies you just swap out the whole unit usually. They don’t need to communicate often so they just sleep in a super low power mode most of the time and only take a reading occasionally.
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