I have this project where I have connected a 3020 LED module which I ripped off from an IKEA JANSJÖ to a tp4056 v2 module which is connected to an old samsung 800mAh phone battery. I had fully charged the phone battery using the tp4056 module and then started to power the LED to find out how long d…

Li-ion Weird phenomenon

MarkT October 11, 2016, 10:16am 4

Because undervoltage detectors have hysteresis to prevent chattering on and off for ages.

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