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I think these cells were fine, but the Anker pack they were part of stopped charging, and honestly I don't have a use for them so I figured I'd safely discharge and recycle them. Alas, it's taking a while.
I've been safely discharging this li-ion pack through an LED for over a month now (it already started out at near-empty SOC by li-ion curves, I think). Voltage is down to 2.4V but shorted for a fraction of a second it still puts out a mean enough current to cause smoke. Scary.pic.twitter.com/UanYUJ1wsf
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It's quite surprising to see an LED powered directly by a LiPo cell, and not getting short immediately. The cell must be having crazy high internal resistance or do these cells come with some internal current limiting protection?
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It does not work that way... Those lipo cells habe incredible low internal resistance, but the current is limited by the LED (it just uses only very little amperage).
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Try a car light bulb.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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i _told_ you to use a beefy resistor!
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But it's more fun to see how long it lasts like this!
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Is there a reason you’re not discharging with an incandescent bulb or a resistor instead of an LED?
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I don't have incandescent bulbs lying around, and resistors are boring.
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