These are Li-ion batteries from a portable DVD player. That board was the one inside the battery pack. Is that charge protection board? I left it charging overnight with a generic 9v charger... Was that a bad idea? Was I lucky they didn't explode?
Is this a charge protection circuit?
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Is this a charge protection circuit?
These are Li-ion batteries from a portable DVD player. That board was the one inside the battery pack. Is that charge protection board? I left it charging overnight with a generic 9v charger... Was that a bad idea? Was I lucky they didn't explode?