Is it a psychological thing like how time seems to move faster when you’re late? Or is my phone lying to me?
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There’s not really a good way to measure how much energy is in a battery other than completely charging it, and then discharging it until it reaches the cutout voltage, and counting how much energy was used and how long it took to do that
The phone usually just estimates it based on the voltage it is reading at the time, which is a poor estimate and since the discharge curve is not linear (not a straight diagonal line between 100% and 0%) then it seems to move at different speeds depending on the percentage shown
It’s one of the most annoying things about battery devices, and it pisses me off that there isn’t an easy way to swap them out any more, or to connect to mains alone when a battery isn’t needed at that moment, or to choose the hold voltage
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