The MacBook Pro uses stretch-release adhesives to secure the battery. Some of the strips are hidden underneath the trackpad, so you’ll need to remove it first to access the strips. Replacing the battery in a MacBook Pro A2442 (14-inch, 2021 model) is a complex procedure that requires disassembling several internal components. The battery is adhered to the chassis, and you must take care to avoid damaging any internal parts. If you’re not experienced with electronics repairs, it’s recommended to have the replacement done by a professional. However, if you want to do it yourself, here’s a step-by-step guide.
Table of Contents
Tools and Materials Needed
- Replacement battery compatible with the MacBook Pro A2442.
- Pentalobe screwdriver (P5) – for removing the bottom case screws.
- Torx screwdrivers (T3, T5) – for internal screws.
- Plastic spudger or opening tool – to disconnect cables and lift components.
- Tweezers – for handling small screws and connectors.
- Isopropyl alcohol (90% or higher) – to help loosen adhesive.
- Adhesive remover (optional) – for stubborn adhesive on the battery.
- Adhesive strips – if needed to secure the new battery.
- Anti-static wrist strap (recommended) – to prevent electrostatic discharge.
Open the Back Cover
Completely power off and unplug your MacBook Pro before you start. Close the screen and flip the entire laptop upside-down.Use a P5 Pentalobe driver to remove eight screws securing the lower cover.Sliding clips along the back edge of the MacBook further secure the lower case. Separating these clips may require a lot of force—consider using gloves to protect your hands from the sharp edges of the lower case
Disconnect the Cable
Use a spudger to gently pry up the locking flap on the ZIF connector for the battery board data cable. Disconnect the battery board data cable by sliding it out from its socket on the logic board. Use a spudger to gently pry up the locking flap on the ZIF connector for the battery board data cable.
Remove the Battery
The battery is secured with strong adhesive. Apply isopropyl alcohol or adhesive remover around the edges of each battery cell to soften the adhesive. Carefully use a spudger or plastic card to lift the battery cells one by one. Work slowly to avoid bending or puncturing the battery cells.
Install the New Battery
Place the new battery into the battery compartment, aligning it properly.If the new battery does not come with adhesive, apply adhesive strips to secure it in place.Reconnect the battery connector to the logic board.
After installing the new battery, it’s a good idea to calibrate it. Charge your MacBook Pro to 100%, then use it until the battery drains completely, and finally, recharge it to 100% without interruptions.
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