Replacement battery won't charge
My OEM battery was starting to fail. It wouldn’t hold a charge as long as it used to and the laptop started to shut down without any low battery warning. It would shut down with the battery status anywhere between 10%-40%. The battery performance appeared to get worse over time, to the point where the laptop would shut down even when the power adapter was plugged in. It seemed to be a thermal issue with the battery. The OS utility diagnostics indicated to replace the battery.
I replaced the battery with what was pitched as an OEM replacement part. I did not purchase the battery through ifixit. After replacing the battery, the computer started off battery alone, but the status in Energy Saver said “Current battery charge: 0%”. I did the SMC reset, but when I tried to power up the laptop wouldn’t boot. I assumed the battery was completely drained. I charged it overnight, ~24 hours and the light on the Mag Safe 2 adapter was still orange. I powered up the laptop with the adapter still plugged in. I checked Energy Saver and it still indicated 0%. I downloaded coconutBattery and it also indicates that no charging is happening. coconutBattery also shows 1979-11-30 as the manufacturing date. I don’t know if that’s a default if the utility doesn’t see the battery or if it’s an indication that the micro on the battery board is “in the weeds”. Attached is the screen shot from coconutBattery.
Thanks,
Bill
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