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crwdns2944351:0crwdnd2944351:0MacBook Pro 16" Late 2023 Battery Replacementcrwdnd2944351:0crwdne2944351:0

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Thing
Battery
Title
MacBook Pro 16" 2021 Battery Replacement
Introduction
Use this guide to replace the battery, after removing the logic board and fans, in your MacBook Pro 16" 2021.
***For your safety, discharge the battery below 25% before disassembling your MacBook.*** This reduces the risk of fire if the battery is accidentally damaged during the repair. If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]].
You'll need replacement adhesive in order to complete this repair.
This is a prerequisite-only guide! This guide is part of another procedure and is not meant to be used alone.
Conclusion
To reassemble your device, follow these instructions in reverse order.
For optimal performance, [[Battery Calibration|calibrate your newly installed battery|new_window=true]] 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 [[E-Waste|R2 or e-Stewards certified recycler|new_window=true]].
Repair didn’t go as planned? Try some [[Troubleshooting Problems After a Repair|basic troubleshooting]], or ask our [link|https://www.ifixit.com/Answers/Device/MacBook%20Pro%2016%22%202021|MacBook Pro 16" 2021 Answers community] for help.
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