A doodle of a battery that says ‘My headphones announcing the battery level:’ with a tiny sliver of battery colored green and labeled ‘battery high’, the vast majority of it colored yellow and labeled ‘battery medium’, and another tiny portion colored red and labeled ‘battery low’
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[–] 73 points 4 months ago (2 children)

Here's the reason why: Li-Ion batteries spend most of a charge cycle in an almost flat region. Simple battery gauges just read the voltage, so "Battery Low" happens shortly before it dies.

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