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2.0GHz, 2.3GHz, or 2.6GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.8GHz) with 6MB shared L3 cache.

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Replacement battery worked fine for a day, now won't charge

I bought a battery from iFixit and followed the (excellent) replacement instructions on the site, replacing the keyboard while I was at it. I reassembled, and my Mac booted just fine off the battery. I followed the instructions to calibrate the battery:

Calibrate your battery before using it: allow it to drain overnight, then charge it to 100% and drain it again until your MacBook Pro shuts down automatically. Charge it again and use it normally.

The battery charged up to 100% (over the course of hours, not instantly) and then I drained it again. I had to travel for work the next day, so I left it plugged in for a day or so, and when I came back I found that the battery condition is “Replace Now”, and removing power causes the laptop to power down instantly.

I tried resetting the SMC and PRAM, but no luck. (Though, I’m not sure how to tell if either reset actually took place?) I opened it up again and reseated the power connection, but again no luck.

I looked around the forums here, but this seems to be a different situation from the others, since the battery did work normally for a while post-repair. Has anyone else seen this?

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Kits de reparo de android

A new screen or battery is one kit away.

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Kits de reparo de android

A new screen or battery is one kit away.

Comprar agora

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You’ll need to speak with the IFIXIT store to get a replacement as it sounds like you got a bad battery. The contact info is on the shipping paperwork.

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You must have gotten a bad battery, you most likely cant find an apple OEM battery, so I recommend using ifixit’s battery.

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