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Mid 2012 model, A1278 / 2.5 GHz i5 or 2.9 GHz i7 processor.

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MacBook 2012 turning off randomly after new battery

I recently bought a replacement battery from here and now it randomly shuts off both at high and low percentages.

Sometimes if i persistently click my trackpad it will “wake up” but other times it does nothing and I have to press the power button to turn it back on.

I already:

Calibrated the battery on install.
Resetted the PRAM.
Resetted the SMC.
And used this command line:
mv /System/Library/Extensions/AppleThunderboltNHI.kext
/System/Library/Extensions/AppleThunderboltNHI.kext.BAK

Needless to say, nothing worked so far… If anyone has any suggestions, thanks in advance!

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Ответ на этот вопрос У меня та же проблема

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@idro040 - Let’s get a better view of things, install this gem of an app! CoconutBattery take a snapshot of the apps main window and post it here for us to see Adding images to an existing question

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Oh right, I already made the screenshot but forgot to add it, its there now :)

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@idro040 - Let's do one more this time with the MagSafe charger connected, the cord LED should be Amber.

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Oh right, sure. Done! :)

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The MagSafe charger appears to be charging at a low rate. If you didn’t wait a bit you might have not caught it being more active. Otherwise you could be using a bad charger. Make sure you have a healthy charger the cable is not damaged or shows any bumps if it does you need a new charger

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You can’t tell the real from the knock offs! So you really need to go directly to the Apple Store or order online directly from Apples site: Apple 60W MagSafe Power Adapter (for MacBook and 13-inch MacBook Pro)

Also inspect the connector interface make sure it is clean. Not like the top one, use a Cotton swab (Q-Tip) with some isopropyl alcohol

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Also make sure the contacts aren’t damaged like this one

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Thats a sign of a knockoff damaging your system! Please don't buy a cheap knock off unit as they will damage your system! Only get the REAL Apple unit directly from Apple.

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Thanks for the info. I had just plugged it in when I took the screenshot, I just took another look and at the moment it's on 13.7 watts.

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jordi будет вечно благодарен.
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