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Cake day: June 15th, 2023

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  • I forget where I read this, but someone posited that the goal has always been “all day” battery. Ever since the first smartphones ,we’ve had, largely, the same battery life. It lasts most of the day and that’s good enough for most people. The secret, though, is that actually the batteries have gotten way bigger and more energy dense, it’s just that the processors and mobile radios are also more power intensive.

    I suspect if you put a modern battery in a 5 yr old smartphone it would last 2+ days. But you’d have to deal with 3G radios, bad GPS, and slow performance.