MacBook Pro 16" A2991 / A3186 / A3403 / A3429 Battery Replacement (A2976) 2023-2026

MacBook Pro 16" A2991 / A3186 / A3403 / A3429 Battery Replacement (A2976) 2023-2026

MBPRO-A2991-15-A2976
Regular price NZ$169.99
Regular price Sale price NZ$169.99
Sale Sold out
Email me when back in stock
inc GST
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MacBook Pro 16" A2991 / A3186 / A3403 / A3429 Battery Replacement (A2976) 2023-2026

MacBook Pro 16" A2991 / A3186 / A3403 / A3429 Battery Replacement (A2976) 2023-2026

MBPRO-A2991-15-A2976
Regular price NZ$169.99
Regular price Sale price NZ$169.99
Sale Sold out
inc GST
Email me when back in stock
DIY DIFFICULTY ModerateAbout 1 to 2 hours

Bottom case comes off first. The trackpad comes out, and the battery is held by 14 pull-tab adhesive strips.

  • Replacement Lithium-Polymer Battery for MacBook Pro 16" M3 Pro to M5 Max with ternary (nickel cobalt manganese) battery cell, safety chipset and control board attached
  • Fixes a MacBook Pro that won't turn on, turns off suddenly, won't hold a charge or shows a "Service Recommended" warning
  • Suits MacBook Pro 16" A2991 (M3 Pro & M3 Max, 2023), A3403 (M4 Pro), A3186 (M4 Max) & A3429 (M5 Max); battery model A2976
Regular price NZ$169.99
Regular price Sale price NZ$169.99

Dispatches next business day straight from our NZ warehouse

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Product Details

This MacBook Pro 16" M3 Pro to M5 Max (2023-2026) replacement battery is what you need to bring your dead laptop back to life!

Battery degradation is an inevitable part of your MacBook Pro's lifespan. If your laptop won't turn on, turns off suddenly, shows "Service Recommended" in Battery settings, has had water damage or simply won't hold a charge, this replacement battery may be what you need to fix it.

It suits the 16-inch MacBook Pro with the M3 Pro or M3 Max chip (A2991, November 2023: Mac15,7, Mac15,9 and Mac15,11), the M4 Pro (A3403, Mac16,7), M4 Max (A3186, Mac16,5) and M5 Max (A3429, Mac17,6). It replaces battery model A2976. The 2021 and 2023 M1/M2 16" models take a different battery.

Don't be let down by poor quality cheap batteries. Our high quality aftermarket battery is built with quality cells, safety chipsets and high grade cabling to give you years of trouble free charging.

The battery is held by stretch-release adhesive strips, and new strips come in the box. The trackpad has to come out first. Watch the video and follow the step by step guide in Installation Help before you start.

 

Part Includes:

  • Quality battery cells
  • Safety chipsets and PCB board
  • High Grade cabling and connectors
  • Metal bracket pre-attached
  • 12 Month Warranty

 

Please Note

Does NOT fit the 16" M1/M2 models (A2485 / A2780), the 16" Intel A2141 or any 14" model. Check the A-number on the bottom case for your model.

Please Note

Fits the 16" A2991, A3186, A3403 and A3429. About This Mac shows MacBook Pro (16-inch) with an M3 Pro, M3 Max, M4 Pro, M4 Max or M5 Max chip.

Please Note

High quality aftermarket battery, not an official Apple part.

Please Note

Isopropyl alcohol is not included in the box. You'll need some to loosen the old battery adhesive.

Specifications

  • Compatible Part Numbers: A2976
  • Compatible MacBook Models: A2991, A3186, A3403, A3429
  • Voltage: 11.57V
  • Watt Hours: 99.6Whr
  • Capacity: 8607mAh
  • Battery Type: Li-Polymer
  • Cell Type: Ternary (nickel cobalt manganese)
  • Fixing: 14 stretch-release adhesive strips, control board held by 2x T5 Torx screws
  • Pairing: Not needed. Battery Health should read Normal after fitting.
  • Warranty: 12 Months
How do I find my Model number?

Compatible Model Numbers

MacBook Pro A3429 MacBook Pro 16" M5 Max 2026
Model Number (A Number)
  • A3429
EMC Number
  • EMC 8937

Part number icon MacBook Pro 16" M5 Max 2026 How do I find my Model number?

Model Identifier
  • Mac17,6
Device Number (M Number)
  • MGE74
  • MGE94
* Please note, to make searching the device number (M Number) easier, we have only listed the part numbers (First 5 characters), we have removed the region numbers as there is no difference in parts. For example, if "M Number" is "MC922LL/A". we remove the "region" portion and everything after (the "LL/A" at the end) leaving us with "MC922".
More info Less info
MacBook Pro A3403 MacBook Pro 16" M4 Pro / M4 Max 2024
Model Number (A Number)
  • A3403
  • A3186
EMC Number
  • EMC 8895
  • EMC 8624

Part number icon MacBook Pro 16" M4 Pro / M4 Max 2024 How do I find my Model number?

Model Identifier
  • Mac16,7
  • Mac16,5
Device Number (M Number)
  • MX2T3
  • MX2U3
  • MX2V3
  • MX2W3
  • MX2X3
  • MX2Y3
  • MX303
  • MX313
* Please note, to make searching the device number (M Number) easier, we have only listed the part numbers (First 5 characters), we have removed the region numbers as there is no difference in parts. For example, if "M Number" is "MC922LL/A". we remove the "region" portion and everything after (the "LL/A" at the end) leaving us with "MC922".
More info Less info
MacBook Pro A2991 MacBook Pro 16" M3 Pro / M3 Max Late 2023
Model Number (A Number)
  • A2991
EMC Number
  • EMC 8408

Part number icon MacBook Pro 16" M3 Pro / M3 Max Late 2023 How do I find my Model number?

Model Identifier
  • Mac15,11
  • Mac15,9
  • Mac15,7
Device Number (M Number)
  • MRW43
  • MRW13
  • MRW63
  • MRW23
  • MRW73
  • MRW33
  • MUW63
  • MUW73
* Please note, to make searching the device number (M Number) easier, we have only listed the part numbers (First 5 characters), we have removed the region numbers as there is no difference in parts. For example, if "M Number" is "MC922LL/A". we remove the "region" portion and everything after (the "LL/A" at the end) leaving us with "MC922".
More info Less info

Installation Help

installation guide

Check out the video above or the step by step guide below for assistance with this repair

iFixit MacBook Pro 16" Late 2023 Battery Replacement Guide

Remember

After completing your repair, calibrate your newly installed battery by charging it to 100% and then charging for a further two hours. Use your MacBook until it shuts off due to low battery, and finally, charge it uninterrupted to 100% again


helpful tips

Here are some helpful tips to assist you in completing a safe repair on your device. If you are unsure of something or have any questions, please feel free to contact us either by phone (0508 IGADGET) or by email

  • Drain the battery below 25% before you start on this repair. A charged lithium-ion battery can catch fire or explode if punctured or damaged
  • These MacBook Pros can power on by themselves when the lid opens or a charger is connected. On macOS Sequoia or later, run sudo nvram BootPreference=%00 in Terminal (undo afterwards with sudo nvram -d BootPreference). Power down, and on older macOS keep the lid closed until the battery is disconnected
  • The screwdrivers you need are included in the box: a P5 pentalobe for the bottom case, plus T3 and T5 Torx for the screws inside (they fit Apple's 3IP and 5IP Torx Plus screws)
  • Always track your screws to avoid putting back in the wrong place and damaging your device. You can draw a picture of your laptop and tape the screws to the right places or use a screw mat
  • The bottom case is held by eight P5 pentalobe screws (four 9.2 mm and four 5 mm) plus hidden clips. Lift the front edge with a suction cup, free the side clips with a pick, then pull the case toward the front to release the sliding clips at the back
  • Unplug the battery first: peel the tape, open the data cable ZIF and slide it out. Remove the trackpad cable bracket (two 2.1 mm 3IP screws) and 5IP pancake connector screw; lift the connector at most 45 degrees over a card. Press connectors at each end, never the middle
  • The trackpad has to come out (thirteen 5IP screws in two lengths, 5 mm and 5.8 mm). Keep the nine small metal washers on the screw posts, they are easy to lose
  • Remove the two T5 battery board screws, then pull the 14 stretch-release strips slowly and low. If one snaps, add a few drops of isopropyl alcohol, wait a minute or two and lift with a plastic card. Keep the alcohol away from the speakers
  • Never pry against a cell with metal tools, and never bend, squeeze or puncture the cells when removing the old battery or fitting the new one
  • The new adhesive strips come in the box. Fit them, test-fit the battery, then refit the trackpad screws loosely and line it up before tightening
  • If your newly installed battery is draining fast or shutting off randomly, first try the battery calibration steps found here. Apple silicon Macs have no SMC reset - shut down, wait 30 seconds and restart
Caution

If the new battery or the battery in your device is swollen or damaged during repair, take the proper precautions

Note

You cannot dispose of old batteries in your general waste. Find recycling e-waste centres online or take to your local refuse station.

What’s In The Box

  • 1x MacBook Pro 16" A2991, A3186, A3403, A3429 Replacement Battery
  • 1x Instruction guide
  • 4x Long Replacement battery adhesive strips
  • 4x Medium Replacement battery adhesive strips
  • 4x Short Replacement battery adhesive strips
  • 1x Simple replacement toolkit
    • 1x Small plastic handle P5 pentalobe screwdriver
    • 1x Small plastic handle T3 torx screwdriver
    • 1x Small plastic handle T5 torx screwdriver
    • 1x Plastic spudger
    • 1x Plastic suction cup
    • 1x Plastic Tweezers
    • 1x Plastic wide head spudger
    • 1x Pair of nitrile gloves
    • 1x Dust protection cloth
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