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MacBook Pro 16" 2021 Battery Replacement

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  1. MacBook Pro 16" 2021 Battery Replacement, Unfasten the lower case: passo 1, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Unfasten the lower case: passo 1, imagem 2 %32
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    • Completely power off and unplug your MacBook Pro before you start. Close the display and flip the entire laptop upside-down.

    • Use a P5 Pentalobe driver to remove eight screws securing the lower case:

    • Four 9.1 mm screws

    • Four 5 mm screws

    • Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from to avoid damaging your device.

  2. MacBook Pro 16" 2021 Battery Replacement, Unclip the lower case: passo 2, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Unclip the lower case: passo 2, imagem 2 %32
    • Press a suction handle into place near the front edge of the lower case, between the screw holes.

    • Pull up on the suction handle to create a small gap under the lower case.

  3. MacBook Pro 16" 2021 Battery Replacement, Release the rear cover's right clips: passo 3, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Release the rear cover's right clips: passo 3, imagem 2 %32 MacBook Pro 16" 2021 Battery Replacement, Release the rear cover's right clips: passo 3, imagem 3 %32
    • Insert an opening pick into the gap you just created.

    • Slide the opening pick around the nearest corner and then halfway up the side of the MacBook Pro.

    • This releases the first of the hidden clips securing the lower case. You should feel and hear the clip pop free.

  4. MacBook Pro 16" 2021 Battery Replacement, Release the rear cover's left clips: passo 4, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Release the rear cover's left clips: passo 4, imagem 2 %32 MacBook Pro 16" 2021 Battery Replacement, Release the rear cover's left clips: passo 4, imagem 3 %32
    • Repeat the previous step on the other side, using an opening pick to to release the second clip.

  5. MacBook Pro 16" 2021 Battery Replacement: passo 5, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement: passo 5, imagem 2 %32 MacBook Pro 16" 2021 Battery Replacement: passo 5, imagem 3 %32
    • Pull firmly to slide the lower case towards the front edge of the MacBook (away from the hinge area) to separate the last of the clips securing the lower case.

    • Pull first at one corner, then the other.

    • Pull to the side—not up.

    • This may require a lot of force.

  6. MacBook Pro 16" 2021 Battery Replacement, Remove the lower case: passo 6, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Remove the lower case: passo 6, imagem 2 %32 MacBook Pro 16" 2021 Battery Replacement, Remove the lower case: passo 6, imagem 3 %32
    • Remove the lower case.

    • To reinstall the lower case:

    • Set it in place and align the sliding clips near the display hinge. Press down and slide the cover toward the hinge. It should stop sliding as the clips engage.

    • When the sliding clips are fully engaged and the lower case looks correctly aligned, press down firmly on the lower case to engage the four hidden clips underneath. You should feel and hear them snap into place.

  7. Cuidado: as etapas de 7 a 19 são provenientes de um guia marcado como em andamento.

    MacBook Pro 16" 2021 Battery Replacement, Disconnect the battery board: passo 7, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Disconnect the battery board: passo 7, imagem 2 %32 MacBook Pro 16" 2021 Battery Replacement, Disconnect the battery board: passo 7, imagem 3 %32
    • Peel back any tape covering the battery board data cable connector on the logic board.

  8. MacBook Pro 16" 2021 Battery Replacement: passo 8, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement: passo 8, imagem 2 %32
    • Use a spudger to gently pry up the locking flap on the ZIF connector for the battery board data cable.

  9. MacBook Pro 16" 2021 Battery Replacement: passo 9, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement: passo 9, imagem 2 %32
    • Disconnect the battery board data cable by sliding it out from its socket on the logic board.

  10. MacBook Pro 16" 2021 Battery Replacement, Unfasten the trackpad cable bracket: passo 10, imagem 1 %32
    • Use a T3 Torx driver to remove the two 2.1 mm‑long screws securing the trackpad cable bracket to the logic board.

  11. MacBook Pro 16" 2021 Battery Replacement, Remove the trackpad cable bracket: passo 11, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Remove the trackpad cable bracket: passo 11, imagem 2 %32
    Ferramenta utilizada nesse passo:
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    • Use tweezers, or your fingers, to remove the trackpad cable bracket.

  12. MacBook Pro 16" 2021 Battery Replacement, Disconnect the trackpad cable: passo 12, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Disconnect the trackpad cable: passo 12, imagem 2 %32
    • Use the flat end of a spudger to pry up and disconnect the trackpad cable's press connector from the logic board.

    • To re-attach press connectors like this one, carefully align and press down on one side until it clicks into place, then repeat on the other side. Do not press down on the middle. If the connector is misaligned, the pins can bend, causing permanent damage.

  13. MacBook Pro 16" 2021 Battery Replacement, Reposition the trackpad cable: passo 13, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Reposition the trackpad cable: passo 13, imagem 2 %32
    • The trackpad cable is lightly adhered to the frame.

    • Peel the trackpad cable away from the device, making sure to separate the adhesive.

  14. MacBook Pro 16" 2021 Battery Replacement, Disconnect the battery board: passo 14, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Disconnect the battery board: passo 14, imagem 2 %32
    • Peel back any tape covering the battery board data cable connector under the large pancake screw.

  15. MacBook Pro 16" 2021 Battery Replacement: passo 15, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement: passo 15, imagem 2 %32
    • Use a spudger to gently pry up the locking flap on the ZIF connector for the battery board data cable.

  16. MacBook Pro 16" 2021 Battery Replacement: passo 16, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement: passo 16, imagem 2 %32
    • Disconnect the battery board data cable by sliding it out from its socket on the battery board.

  17. MacBook Pro 16" 2021 Battery Replacement, Remove the data cable: passo 17, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Remove the data cable: passo 17, imagem 2 %32
    • The battery board data cable is lightly adhered to the device.

    • Slide blunt nose tweezers under areas with adhesive to separate the cable from the device.

    • Remove the battery board data cable.

  18. MacBook Pro 16" 2021 Battery Replacement, Unfasten the battery connector: passo 18, imagem 1 %32
    • Use a T5 Torx driver to remove the 3.9 mm pancake screw securing the battery power connector.

  19. MacBook Pro 16" 2021 Battery Replacement, Disconnect the battery connector: passo 19, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Disconnect the battery connector: passo 19, imagem 2 %32
    • Use a spudger to lift the battery power connector, disconnecting the battery.

    • Lift the connector high enough to keep it separated from its socket while you work. If it accidentally makes contact, it could damage your MacBook Pro.

  20. MacBook Pro 16" 2021 Battery Replacement, Unfasten the trackpad: passo 20, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Unfasten the trackpad: passo 20, imagem 2 %32
    • Use a T5 Torx driver to remove the 13 screws securing the trackpad assembly:

    • Ten 5 mm screws

    • Three 5.8 mm screws

    • These screws all look similar—be careful not to mix them up.

    • Adding a little blue threadlocker to the screw threads during reassembly can help prevent the screws from working themselves loose over time.

    • Install the screws loosely at first, and then check the trackpad alignment before tightening them down.

  21. MacBook Pro 16" 2021 Battery Replacement, Remove the trackpad: passo 21, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Remove the trackpad: passo 21, imagem 2 %32 MacBook Pro 16" 2021 Battery Replacement, Remove the trackpad: passo 21, imagem 3 %32
    • Swing the display open slightly, but keep the MacBook upside-down. The trackpad assembly should separate and lay flat on the display.

    • As you remove the trackpad assembly, be very careful not to lose the nine small metal washers resting on the screw posts. (They will fly off and get lost with very little provocation.)

    • Carefully feed the trackpad's ribbon cable through its slot in the frame.

  22. MacBook Pro 16" 2021 Battery Replacement: passo 22, imagem 1 %32
    • Remove the trackpad assembly.

  23. MacBook Pro 16" 2021 Battery Replacement, Unfasten the battery board: passo 23, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Unfasten the battery board: passo 23, imagem 2 %32
    • Use a T5 Torx driver to remove the two screws securing the battery board:

    • One 4.4 mm screw

    • One 3.8 mm screw

  24. MacBook Pro 16" 2021 Battery Replacement, Battery removal information: passo 24, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Battery removal information: passo 24, imagem 2 %32
    • There are 14 total stretch release adhesive strips that secure the battery to the frame:

    • There are eight adhesive strips that are accessed from the bottom of the device.

    • There are six more adhesive strips accessed from the trackpad's location on the frame.

  25. MacBook Pro 16" 2021 Battery Replacement, Remove the stretch release adhesive: passo 25, imagem 1 %32
    Ferramenta utilizada nesse passo:
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    • Use tweezers, or your fingers, to grasp the black pull-tab on one of the adhesive strips.

  26. MacBook Pro 16" 2021 Battery Replacement: passo 26, imagem 1 %32
    • Pull the strip out slowly and steadily at a low angle. Give it plenty of time to stretch and un-stick from under the battery.

    • If the adhesive strip breaks off, try to retrieve it using your fingers or blunt tweezers, and continue pulling—but do not pry under the battery.

    • Repeat the process for all 14 stretch release adhesive strips.

  27. MacBook Pro 16" 2021 Battery Replacement: passo 27, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement: passo 27, imagem 2 %32
    • Follow the next two steps if you weren't able to pull all the stretch-release adhesives.

    • Take care not to puncture or bend the battery with your tool—a punctured or bent battery may leak dangerous chemicals or cause a fire. In case you're struggling to pull up the battery, apply more isopropyl alcohol and try again.

    • Apply a few drops of high concentration (over 90%) isopropyl alcohol to the gaps surrounding the affected area of the battery.

    • Be careful not to get an isopropyl alcohol near the speakers, as that will loosen them from the frame.

    • Wait between one to two minutes for the adhesive to loosen.

  28. MacBook Pro 16" 2021 Battery Replacement: passo 28, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement: passo 28, imagem 2 %32 MacBook Pro 16" 2021 Battery Replacement: passo 28, imagem 3 %32
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    • Insert a plastic card between the battery and the frame.

    • Pry up with the card while slicing the adhesive to separate the battery from the frame.

  29. MacBook Pro 16" 2021 Battery Replacement, Remove the battery: passo 29, imagem 1 %32 MacBook Pro 16" 2021 Battery Replacement, Remove the battery: passo 29, imagem 2 %32 MacBook Pro 16" 2021 Battery Replacement, Remove the battery: passo 29, imagem 3 %32
    • Slide the battery out of the frame to remove it.

Conclusão

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

For optimal performance, calibrate your newly installed battery after completing this guide.

Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before you install it.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our MacBook Pro 16" 2021 Answers community for help.

17 outras pessoas executaram este guia.

Alex Diaz-Kokaisl

Membro desde: 01/16/22

125.025 Reputação

Autoria de 582 guias

Equipe

iFixit Membro de iFixit

Staff

Membros da 136

Autoria de 17.430 guias

11 comentários

This is what I search for! Such a great guide!

Sehun Park - Responder

Where can I purchase a new battery for my MacBook Pro 16" 2021 laptop?

Mr. T - Responder

Hi there!

Unfortunately, we are not currently selling MacBook Pro 16" 2021 batteries. We are hoping to sell them sometime soon. You may want to consider checking with other retailers or online sources for the specific battery you need.

Alex Diaz-Kokaisl -

Has anyone figured out where we can purchase new replacement batteries for this computer (MacBook Pro 16" 2021 Model # MK193LL/A)?

David - Responder

Why does step 22 talk about installing a new trackpad? That part left me confused.

Tad Garza - Responder

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