QuinIf you manufacture Braille displays, and make the only indication that the battery is completely dead an LED on the side of the device, something has gone very wrong somewhere. Like...you do realize that people who need braille...can't typically see lights very well if at all, right? I get not flashing something on the braille display, 200v even at low amperage is too much for a dead LI battery, but vibrate? Something that, uh, your primary userbase can actually detect? [sighs].
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