Battery Disconnection

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Prerequisite-only guide! This guide is part of another procedure and is not meant to be used alone.

Use this guide to safely disconnect the battery before beginning repairs on a Late 2020 MacBook Air (M1).

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Before starting this procedure, you should disable your Mac's Auto Boot feature. Auto Boot powers on your Mac when you open the lid, and may be accidentally triggered during disassembly. Use this guide to disable Auto Boot.
If your MacBook is running Big Sur v11.1 or later, disabling Auto Boot may not work. You can proceed normally, but make sure to disconnect the battery as soon as you're inside.
Completely power off and unplug your MacBook before you start. Close the display and flip the entire laptop upside-down.
Use a P5 driver to remove the following screws:
Two 7.9 mm screws
Two 7.3 mm screws
Six 2.6 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 MacBook.

Wedge your fingers between the display and the lower case and pull upward to pop off the lower case.
Remove the lower case.
To reinstall the lower case:
Set it in place and press firmly to engage the two hidden clips underneath. You should feel and hear them snap into place.

Use the flat end of a spudger to pry up and unlatch the metal locking arm on the battery connector.
Make sure the metal arm is completely free of the locking tab before lifting the battery connector. The metal locking arm should easily unlatch.
Lift straight up on the metal locking arm to pull the battery connector out of its socket on the logic board.
During reassembly, press the battery connector straight down into its socket, making sure it sits flush within the socket.
If necessary, push the rear, wire side of the connector into place first, then rock the front of the connector into place.