Before starting, make sure your device is completely powered off and unplugged. Use the proper tools if needed (usually included in the package). Do not force anything—if you're unsure, seek help from a professional.
This tutorial will guide you in detail how to remove the Apple A2519 / MacBook Pro 14" M1 Max 2021 battery.
Step 1
Use a P5 Pentalobe driver to remove eight screws securing the lower case.
Step 2
Firmly pull the lower case away from the back edge, one corner at a time, to disengage the sliding clips.
Step 3
Peel back any tape covering the battery board data cable connector on the logic board.
Step 4
Use a spudger to gently pry up the locking flap on the ZIF connector for the battery board data cable.
Step 5
Disconnect the battery board data cable by sliding it out from its socket on the logic board.
Step 6
Use a T3 Torx driver to remove the two 2.1 mm‑long screws securing the trackpad cable bracket to the logic board.
Step 7
Use tweezers, or your fingers, to remove the trackpad cable bracket.
Step 8
Use the flat end of a spudger to pry up and disconnect the trackpad cable's press connector secured to the logic board.
Step 9
Peel the trackpad cable away from the device, making sure to separate the adhesive.
Step 10
Peel back any tape covering the battery board data cable connector under the large pancake screw.
Step 11
Use a T5 Torx driver to remove the 3.8 mm wide-head screw securing the battery power connector.Use the flat end of your spudger to lift the battery connector away from the battery board, disconnecting the battery.
Step 12
Use a T5 Torx driver to remove the ten 5.7 mm screws securing the trackpad assembly.
Step 13
Swing the screen open slightly, but keep the MacBook upside-down. The trackpad should separate and lay flat on the display.Carefully feed the trackpad's ribbon cable through its slot in the frame.Remove the trackpad.
Step 14
Use a T5 Torx driver to remove the 4 mm screw securing the battery board.
Step 15
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.Repeat the process for all 14 stretch release adhesive strips.
Step 16
Slide the battery out of the frame to remove it.