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Saporificpug t1_jecuqfw wrote

Reply to comment by whiskeysixkilo in eli5: Why do seemingly all battery powered electronics need at least 2 batteries? by OneGuyJeff

They "do" but they also don't. The voltage wasn't made specifically for the application but is rather what the chemistry can provide.

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FartyPants69 t1_jego5fi wrote

Exactly, and alkaline cells far preceded Li-ion cells. You could easily make a TV remote today that takes a single 18650 Li-ion cell, but not in 1980.

Since AAA cells have been ubiquitous for decades, and that's what consumers have come to expect, it's going to take a long time to transition everything to something else.

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