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BG183244545 Additional information. If you set the charge current to 1A, and charge 4 18650 at once, when they get up to 4.2V they peak out in charging power ~about 4.2W to charge at 4.2V 1A (at 3V it would be 3W). For some reason, when all 4 batteries get to max power, the powersupply gives up, and the charger resets (and gets quite hot). You can use a different powersupply, or set the current on one of the cells at 0.7A

BG183244545 09/03/2021
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