I need to recharge Li-Ion cells w/ undervoltage lockout? Answered
I have 2 Apple A1175 macbook batteries that will not charge, regardless of what I have done to the computer or the battery. I believe that this is due to the batteries having sat for much too long, and eventually the cells got depleted (causing what i believe is undervoltage lockout on the charge controller circuit).
I believe I can get these batteries functional again by charging the cells again.
Thing is, I don't want to take apart the batteries to charge each cell individually. Is there a way to somehow trick the charge controller into letting current through the batteries? I read somewhere that a 5-15v pulse will do it, but I am not sure if that is true... Any pinouts for the battery would be helpful as I have not been able to find a pinout for them at all. Again they are apple A1175 batteries (from the old bulky aluminum 15 inch macbook pros)
Edit: I also understand (mostly) the hazards of li-ion technology. I understand they are extremely hazardous under an uncontrolled charge condition. I also understand that by doing this, they might blow up in my face entirely, causing burns and possibly a fire.