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Early 2011 Model: A1278 / 2.3 GHz i5 or 2.7 GHz i7 processor

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New battery not charging

Hi all,

Posting because I have an issue with my new Macbook Pro battery (bought on iFixit).

It looks like it is not charging or almost nothing. Basically when I install the new battery and connect my magsafe charger I can see that the led on the charger stays green most of the time like it does when the battery is fully charged. It turns orange sporadically but never for more than 2-3 sec.

I have tried to reset the SMC but didn’t help here. I have downloaded the app CoconutBattery to have a better view of what is happening. So I see the battery is in good condition, the charger is detected well and appears as Connected but the issue seems to be that it charges really slowly around 0.7Watts compared to more than 10Watts when I do the same test with my old battery.

Any idea what can explain this and how to fix ? Thank you

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with the old battery the light on the charger is always green like withe the new one?

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@thibautnm you do want to let the community know exactly what model, year etc. your MacBook Pro is. There are different faults etc. between models so the better your information the greater the chance to get a good answer.

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Hello @soros no, when I install back the old battery the light is turning orange when the battery is not full and turns only green when the battery is full. Which i believe is the expected behavior.

@oldturkey03 yes true, so my MBP is a MacBook Pro (13-inch, Early 2011), 2.3 GHz Intel Core i5, running MacOS 10.13.6 right now.

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It could be a faulty battery (it happens) since the old one is charging fine.

Get in touch with iFixit Support for a warranty replacement of your battery.

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Thibaut Martin será eternamente grato(a).
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