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- Lower Case crwdns2858870:02crwdne2858870:0
- Battery Connection crwdns2858870:02crwdne2858870:0
- Battery crwdns2858870:03crwdne2858870:0
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Use this guide to replace a worn-out battery. If your battery is swollen, take appropriate precautions.
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Remove the following ten screws:
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Three 14.4 mm Phillips #00 screws
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Three 3.5 mm Phillips #00 screws
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Four 3.5 mm shouldered Phillips #00 screws
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Use your fingers to pry the lower case away from the body of the MacBook near the vent.
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Remove the lower case.
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Use the edge of a spudger to pry the battery connector upwards from its socket on the logic board.
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Bend the battery cable slightly away from its socket on the logic board so it does not accidentally connect itself while you work.
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Remove the following two screws:
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One 5.6 mm Tri-point screw
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One 13 mm Tri-point screw
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Carefully peel the battery warning label off the upper case between the battery and the optical drive.
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Use the attached plastic pull tab to remove the battery from the upper case.
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Charge it to 100%, and then keep charging it for at least 2 more hours. Next, unplug and use it normally to drain the battery. When you see the low battery warning, save your work, and keep your laptop on until it goes to sleep due to low battery. Wait at least 5 hours, then charge your laptop uninterrupted to 100%.
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If you notice any unusual behavior or problems after installing your new battery, you may need to reset your MacBook's SMC.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Many thanks to Phillip and the other contributors who put this guide together. My late 2011 MacBook Battery was headed downhill fast. Having used IFixit before, I headed back to the site and found the parts and help that I needed. My new battery arrived two days after placing the order and I went to work. Everything went smooth as silk(again thanks to some IFixit tools, etc.)and I was up and running in no time. Thanks for this great site and for encouraging do-it-yourself repairs with great guides. Hooray to all who like to fix things and boo to manufacturer who design products that make this difficult. Cheers and keep up the great work. Lowell Allen, May 26.
Thanks a lot, was great help and needed this greatly for one of my macbook.
Best regards from,
Replacing the original battery was easy, but the replacement battery loses a charge very fast.
20 minutes, I’ve lost 11% charge.
Thx a lot to everyone at iFixit, now my MacBook Pro Unibody Late 2011 can take a second breath
Thanks for the easy to follow instructions! My battery install kit did not come with a spudger, so I used a plastic knife and my finger nails. I was careful to make sure the little seated edges didn’t break off (that’s when I transitioned to my nails).
