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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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  1. Remove the following ten screws:
    • Remove the following ten screws:

    • Three 14.4 mm Phillips #00 screws

    • Three 3.5 mm Phillips #00 screws

    • Four 3.5 mm shouldered Phillips #00 screws

    • When replacing the small screws, align them perpendicular to the slight curvature of the case (they don't go straight down).

    How much weight can I save by removing the optical drive?

    gunes314 - Ответить

    You can save a lot of weight if lets say your installing a solid state drive or putting in a second hard drive but if you know that you use the CD/DVD disc drive a lot then you might just want to leave the drive alone.

    Marshall WahlstromHelgren -

    Tip: Use one of those weekday pill holders to have a cheep way to store screws you remove and each day of the week can be for different sizes or parts. It has been handy to have (much less expensive than the magnetic mat.

    Robert Wacker - Ответить

    Hello, where can I buy the screws I need in case I lose one of them?

    taylornya - Ответить

    I have one stripped screw... How opening without drill it?! Any suggestions please?

    rodrigosady - Ответить

    I also stripped a couple screws. I wasn’t able to open it up without drilling. After drilling the heads and removing the cover it was easy to hacksaw the tip and unscrew with a standard driver.

    Michael Wilkens -

    My top tip - make sure you buy good quality Phillips screwdrivers and a magnetic holder. Cheap screwdrivers won’t get the screws undone safely. Without a magnetic holder you have no chance of getting the tiny crews in and out safely.

    jeremyyoung - Ответить

    A good Phillips 00 is your friend here. Also, when reinserting the screws, gently start anticlockwise and you wil feel a click at the start of the thread. This tells you you’re in the right place and less likely to cross-thread through force in the wrong place.

    Iain Boyd - Ответить

  2. Use your fingers to pry the lower case away from the body of the MacBook near the vent. Remove the lower case.
    • Use your fingers to pry the lower case away from the body of the MacBook near the vent.

    • Remove the lower case.

  3. Use the edge of a spudger to pry the battery connector upwards from its socket on the logic board. It is useful to pry upward on both short sides of the connector to "walk" it out of its socket. Be careful with the corners of the connectors, they can be easily broken off.
    • Use the edge of a spudger to pry the battery connector upwards from its socket on the logic board.

    • It is useful to pry upward on both short sides of the connector to "walk" it out of its socket. Be careful with the corners of the connectors, they can be easily broken off.

    Is this step of removing the battery connector required?

    manodh - Ответить

    yes - as with disassembly of any electronic component you have to remove any power source. You don't want to accidentally turn the Mac on

    khull -

    Prying the battery connector off does not take much force. I did exactly what the guide suggested (walked it off back and forth) with the spudger without any problems. Just be very gentle, much like with anything inside laptops, they are very fragile and need to be worked with carefully. A+ instructions, battery replacement was a success.

    aekinaka - Ответить

    Be patient on disconnecting this one. It worked for me step by step, little by little.

    Phil Wagner - Ответить

  4. Bend the battery cable slightly away from its socket on the logic board so it does not accidentally connect itself while you work.
    • Bend the battery cable slightly away from its socket on the logic board so it does not accidentally connect itself while you work.

    I put some tape between the connector and socket while working on the drive.

    Stephen Smith - Ответить

    That's a good tip

    Anrothan -

    Great tip, I did that too

    Ahmed Mahran -

    One other note: The screw heads fit flush with the curvature of the case -- which means that they aren't exactly horizontal. In other words, they aren't perpendicular to the table that the computer is resting on. Don't try to force them straight in vertically, because you'll risk cross-threading them. (nearly ruined one screw hole myself!)

    lelandjordon - Ответить

    On my MacBook Pro, the connector seems to be an integral part of the battery.

    Jerry South - Ответить

  5. Remove the following two screws:
    • Remove the following two screws:

    • One 5.6 mm Tri-point screw

    • One 13 mm Tri-point screw

    Something isn’t right here. On my MacBook Pro, the connector is an integral part of the battery.

    Jerry South - Ответить

    Verify that this is the correct guide for your specific model—if not, we’ve got guides for all the other models, too.

    Jeff Suovanen -

    And which Apple “Genius” decided that a tri-wing screw would be just perfect for the job of holding the batter in place? Not smart for a genius.

    Jerry South - Ответить

    These tri-point screws are Y0 size. You’re welcome :)

    Rossi Macri - Ответить

  6. Carefully peel the battery warning label off the upper case between the battery and the optical drive.
    • Carefully peel the battery warning label off the upper case between the battery and the optical drive.

    • Do not remove the label from the battery.

    What is the reasoning behind not removing the label from the (old) battery?

    tom - Ответить

    Probably to help you remove it? Not sure, but I used it along with the clear tab to pull the battery out. Worked pretty good.

    aitorrecalde -

  7. Use the attached plastic pull tab to remove the battery from the upper case.
    • Use the attached plastic pull tab to remove the battery from the upper case.

    • If you're installing a new battery, you should calibrate it after installation:

    • 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%.

    • If you notice any unusual behavior or problems after installing your new battery, you may need to reset your MacBook's SMC.

    My replacement battery came with a clear protective film that should be removed before installation. Be sure not to overlook the film on the bottom of the battery as it covers only a portion of that side and might be easy to overlook.

    Do not over-tighten the bolts holding the battery in place. One of the tabs on the original battery was broken, presumably due to over-tightening.

    Patrick Langvardt - Ответить

    The calibration suggestion given in this guide differs a bit from what iFIXIT sent with the battery. What came with the battery went like this…

    For optimal performance, calibrate your newly installed battery. Drain battery below 10%, then charge it uninterrupted to 100%.

    Daniel Lavelle - Ответить

    I recommend disregarding those instructions and following the steps in this article:

    1. Charge it to 100%, and keep charging it for at least two more hours.

    2. Unplug your laptop and use it normally to drain the battery.

    3. Save your work when you see the low battery warning.

    4. Keep your laptop on until it goes to sleep due to low battery.

    5. Wait at least five hours, then charge your laptop uninterrupted to 100%.

    Sam Omiotek -

    would it be dangerous to use the macbook without a battery in the meantime?

    724 F - Ответить

    It’s not dangerous (assuming you have put the back cover back on), though the computer will run slower. The charging assembly cannot supply as much amperage as the battery, so the processor will be throttled.

    Sam Omiotek -


To reassemble your device, follow these instructions in reverse order.

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Andrew Optimus Goldheart

Участник с: 17.10.2009

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Комментариев: 39

Not one anti static precaution in sight.! Replace your battery for years of further use but with the risk that a latent fault introduced by lack of any static damage precautions.

Stuart Potter - Ответить

become a member and contribute to the document….

David -

I thought these batteries couldn't be replaced.

brucebridges - Ответить

These batteries are built to the same spec as OEM (Apple)

They are just not "user friendly" to replace like most devices are, the price we pay for pretty devices.

This guide is excellent and now I know I need 1 more tool before I do this myself. I need that tri-wing screwdriver.

John Lang -

Anyone know of any batteries with a larger capacity that could fit this?

Anrothan - Ответить

It seems that there are no true larger capacity batteries for this Macbook. Ones that claim higher capacity are usually of dubious quality.

coffee -

Can I use A1280 battery instead of A1278 battery for my late 2011 MacBook Pro

saqqaf.adel - Ответить

Clear, well written instructions, thank you! (But yes, a line about take off shoes and socks and ground yourself is helpful. )

unlvkatherine - Ответить

Warning: if you have not used this MBP for a while, check how it does look like.

I kept mine for backwards compatibility (such as Rosetta and old FireWire). I cleaned up my drawer today.

See how it looked like today: http://666kb.com/i/do60coz0kn5z5txd5.jpg

The battery was most severely blown up, crashing the body shell. I’m glad it did not burn the house to ashes.

Martin - Ответить

Wow! On your Picture we see the original battery from Apple! Yes?

Mario -

I just replaced my battery, and had no issues. Great instruction manual, and easy to do.

Christopher Chupp - Ответить

Thank you very much. it was a great help. till now i thought it required an expert. thanks again.

richard - Ответить

Where should I discard the old battery?

Tamara - Ответить

Does anyone have any recommendations of the replacement battery i should use? Finding it really hard to find the best one!

LiviB - Ответить

Hi! I ordered a battery from your website and followed your instructions installing it. Everything seemed to be working fine, except that I now realised it only charges with 4.2w. It takes about 15 hours to charge it. Is the battery defective or is there something I can do? It also jumps down to 7% charge randomly.

Niklas Palm - Ответить

I've reset SMC —> no difference

Niklas Palm -

Swapped the battery again, back to my original and it charges with 22w. I’m guessing the battery is defective?

Niklas Palm -

It happened to me too! i’ll try to calibrate the battery as apple says https://support.apple.com/es-es/HT1490

Luís - Ответить

Well, that was super easy. Thanks, iFixit! Now, what do I do with this swollen old MacBook Pro battery?

Alejandro Torres - Ответить

I wonder If it’s possible to cut the connectors Wires off the battery and buy android cel phone battery’s and connect the connector to the batteries or do same thing with a normal pc battery

NicVandEmZ - Ответить

I replaced the battery, and it was very easy. The problem lies in fact that my laptop will only run for about 20 minutes then shuts down. I put the old battery back in and it is working fine. Is this a defective battery?

Bill Hicks - Ответить

I have the same problem, posted above. Searched the web for possible solutions without success. Let me know if you’ve found one.

Csaba Kátai -

Same here. I am in the process of letting it die down from the first full charge and it does a hard shutdown every 20 minutes.

brodystewart30 -

Looks like I might be having a similar issue. I’ve just received and installed a new battery from iFixit and the MacBook is shutting down abruptly anywhere from 5-30 minutes after switching to battery power. I’ve tried resetting PRAM/SMC/removing, checking connections and remove/replace the battery several times. This typically results in orange magsafe light, battery is detected correctly and it’s charging. Then after some time the magsafe the light goes green, battery is no longer charging and cononut battery shows NaN on battery capacitor indicator. I reinstalled the old battery and everything works fine - of course I have the original problem of diminished capacity which is why I replaced it. If several people are having similar issues I wonder if it’s a bad batch of batteries?

Colm -

Just installed the 2nd new iFixit battery. Exactly the same issue, abrupt shut down after approx. 20 mins. (Formatting the battery is a painful process...) Might be a faulty batch of batteries. From the earlier positive comments I guess this problem has been experienced recently, so, maybe Apple did something in Mojave?

Csaba Kátai -

I was having issues with my Mac, it suddenly doesn’t start even with other AC charger. The Baterry leds indicates it is fully charged… Well, i search over the net, and find something about switching of the battery connector, start the mac, then shut off, and put the battery connector again. It seemed to work, but then I realiced, the next start up was having again the same problem, neither sound nor image… it was again apparentelly dead!! I decided to get off the battery, then start again only with the AC charger, and it works… The next step, was, without taking out the AC charger, try to start again, but there was the problem again, it doesn’t start. To resume: without battery it starts once, after this, i have to switch of the charger and then starts. With battery, after doing the battery removal process, also starts one time, but after this, it doesn’t start. May it be neccesary to change the main battery?? I search for a PRAM Batery but not found any. What can I do?? Thanks and sorry if there are mistakes

Ignacio - Ответить

Replaced the battery with this guide. Seemed to work at first, but the macbook sometimes suddenly switches off or doesn‘t start anymore. Resetting SMC/PRAM works only for a short time, bevore the Macbook does again what it wants. Any suggestions?

t.wurmehl - Ответить

No suggestions. Seemingly many of us who made battery replacement experience the same. I’ve tried already two iFixit batteries. Same issues. Abrupt shutdown while on battery, battery reported N/A by the system, not charging while at e.g. 60%, etc. SMC solves the problems for 20-30 minutes only.

Csaba Kátai -

Hi folks of iFixit. I really like to fix things by myself, but it should work afterwards. So I immediately need an answer to the questions above. I have the same problems with a sudden shutdown after a short while even in process . That is really annoying in most of the times. The replacement is very easy, even with the good instruction, so pease give a statement.

stefanberger1963 - Ответить

I have the some problem too! My question is: the iFixit team what says? I think my money is good, why not my battery? What iFixit answer?

Marco - Ответить

I took contact to iFixit EU Support <eustore@ifixit.com>. I got a quick answer and after a short while I got another batterie. This batterie runs good for now, so I hope everything is fine now. So try to contact the support.

stefanberger1963 - Ответить

I have one Mac-book Pro 2012 Mid water damage, another Mac Book Pro 2011 Early which is having screen problem, is it possible to use Macbook pro 2012 screen with 2011?

usman iftikhar - Ответить

Very easy replacement, must faster than other stuff I’ve swapped out in my Mac. Super straightforward guide. Thanks!

Samik - Ответить

Very easy process. Thanks for the tips about the screw lining up with the bevels and noting that there are different screws that need to be returned in the same location they came from on the back!

Mark Delany - Ответить

Thanks for the guide, Daedalus Tested, Tek Approved!

mrit - Ответить

The only thing you should mention is the size of the screw head, that would be helpful.

Marshall WahlstromHelgren - Ответить

This is a really simple change, even for a novice, so a great guide. The battery that I bought included the required screwdrivers, to that was cool too :)

Michael W - Ответить

nach dem tausch des Akkus schaltet sich der Mac immer wieder plötzlich aus. Also er versetzt sich in den Ruhezustand. Jemand eine Idee wie man das beheben könnte?

s.kostjukevic - Ответить

Apparently, my local apple store is not able to replace the battery in my MBP from mid 2012. I asked them if it was possible to replace it by myself. They replied that the battery is attached to the keyboard, and that it therefore is not possible to replace it (since Apple do no longer provide parts for this model). Does anyone know anything about this? Should I buy the battery from iFixit and give it a try?

guineapig - Ответить

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