Apple released the MacBook Pro 15" Unibody with a new aluminum upper case machined from a single aluminum block.

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Why won't my battery charge?

I recently replaced my battery in a MacBook pro 15" 2011 model. I did so using ifixit instructions and battery. After 3-4 charge cycles, the battery will no longer charge. The macbook says battery not charging and the magsafe cable never turns amber. I have tried everything online such as unplugging power adapter and resetting the smc. What are the odds I have a bad battery?

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Have you tired reseting the SMC

Plug the MacBook in and hold


This may help

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Yes I tried that. I also unplugged the battery from the control board for a few seconds.


Maybe the battery is defective


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Are you able to send a picture of your charging panel? You might have to get a new charging panel or charger.

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