Replace Bad Battery - 16" MacBook Pro Step-by-Step Guide A2485 & A2780 (M1–M2 Pro)
TEKDEP · 16K views · 19:41
Skill Level
IntermediateTime Required
Half dayEstimated Cost
$50–200Equipment
Apple MacBook Pro 16" (A2485 & A2780, M1-M2 Pro)Tools Needed
Pentalobe screwdriver, Spudger, Tweezers, Anti-static wrist strapIn this video, we’ll walk you through the basics of replacing the battery on a MacBook Pro A2485 & A2780 (M1–M2 Pro model) that was mailed to our service center. You’ll learn how to safely remove the old battery and install a new one—especially useful if your current battery is failing or no longer holding a charge.
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00:00 - Introduction
Welcome to another tech repair video! In this episode, we’re working on an A2485 M1 16-inch MacBook Pro for a battery replacement.
00:40 - Opening the Back Case
Remove the bottom screws using a P5 screwdriver. Use a plastic spudger to lift and remove the bottom case.
01:31 - Disconnect Trackpad Flex Cable
Use a T3 screwdriver to remove the trackpad bracket screws, then disconnect the trackpad flex cable and battery daughterboard cable.
02:24 - Disconnecting Battery Power
Remove the pancake screw with a T5 screwdriver. Disconnect the battery from the logic board and drain any remaining charge by pressing the power button for 10 seconds.
03:01 - Disconnect Battery Board
Unplug the battery board cables and remove the two T5 screws securing it.
04:05 - Removing Battery Pull Tabs
Start removing adhesive pull tabs from under the battery cells using tweezers. Handle with extreme care to avoid puncturing the battery.
06:53 - Continue Removing Pull Tabs
Work methodically through each cell’s pull tabs using a plastic spudger and tweezers. Be patient and avoid rushing.
08:14 - Access Remaining Battery Cells
To access the final two battery cells, remove the trackpad by unscrewing the T5 screws and gently lifting it out.
09:39 - Final Pull Tabs Under Trackpad
With the trackpad out, remove the remaining pull tabs to fully release the battery. Carefully pry the battery out if needed.
11:09 - Battery Removal Complete
The battery is fully removed. Tools and parts are available on our website if you want to do it yourself or send it to us for repair.
14:48 - Installing New Battery
Align the new battery using screw holes before pressing it into place. Take your time to ensure proper placement.
15:32 - Reinstalling Trackpad
Reconnect and realign the trackpad, then secure it with screws. Reconnect the trackpad flex cable and secure the brackets.
17:19 - Final Assembly
Reconnect the battery flex cable and reinstall the pancake screw. Reattach all remaining brackets and cables.
18:01 - Closing the MacBook
Put the bottom case back on and reinstall all screws. Make sure the battery is properly seated before closing.
19:20 - Power-On Test & Outro
Power on the MacBook to ensure the repair was successful. If you found this helpful, give us a thumbs up, subscribe, and visit tekdep.com for parts and repairs.