Unibody MacBook Pro models with 13" displays produced from 2009-2012.

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MBP 2011 new replaced battery not charging

I bought a brand new battery from iFixit, installed it. The system recognizes it, but it won't charge it. I tried resetting the PRAM, the SMC and nothing. MagSafe illuminated green.

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Can you download this gem of an app: CoconutBattery and paste a screen shot of the main screen so we can see whats happening. Make sure you have the charger plugged in when you do the test.


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Those models are prone to current sense failure and will often cease to charge and/or power up.

However, we don't know the history of your device before we can narrow down the possibilities and point you in the right direction.

A first step is definitely to install coconut battery like @danj said.

But it is critical also that we know why you opted to replace the battery in the first place. Also answer the following:

- Was it charging before with the old battery installed? If yes, and you put it back, does the laptop start charging again?

- Was the old battery bulging?

- Was there any liquid spill on that computer?

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J. B. will be eternally grateful.
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