MacBook won't turn on unless plugged in, battery and Magsafe working
Hello,
I have an early 2015 13” MacBook Pro Retina which had water damage. It was disassembled and cleaned out; the battery was replaced with a third-party new one.
All seems to work well, with one exception: it will not turn on on battery power alone. It will, however, turn on while plugged in, and then run on the battery once unplugged. Charges fine, too.
This is particularly strange behavior. I had previously measured several different points on the motherboard and battery board to ensure everything was working as expected, and that's all good.
Is there a particular point on the board I should look at for this? Is it possible the new battery is faulty in some way?
Thanks in advance.
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