--- title: "MacBook Air 15-inch (M3, 2024) Battery Repair | UWS" description: "Battery Replacement for MacBook Air 15-inch (M3, 2024): preparation, tools, repair steps, inline photos and diagrams, and final checks." canonical: https://ultimatewirelesssolutions.com/repair-guides/apple/macbook-air-15-m3-2024/battery-replacement --- Ultimate Repair Hub · DIY Guide # MacBook Air 15-inch (M3, 2024) Battery Replacement Guide Replace a worn or confirmed faulty battery with the exact-model assembly. Check charger operation and battery condition first, and back up your files. [Check Parts Availability](https://ultimatewirelesssolutions.com/get-a-quote)[Book Professional Repair](https://ultimatewirelesssolutions.com/appointment)[Request Quote](https://ultimatewirelesssolutions.com/get-a-quote) Difficulty Advanced battery repair Repair sequence 6 stages Final checks 4 checks Opens from Bottom cover 1. [Home](https://ultimatewirelesssolutions.com/) › 2. [DIY Repair Guides](https://ultimatewirelesssolutions.com/repair-guides) › 3. [Apple MacBook](https://ultimatewirelesssolutions.com/repair-guides/macbook) › 4. [MacBook Air 15-inch (M3, 2024)](https://ultimatewirelesssolutions.com/repair-guides/apple/macbook-air-15-m3-2024) › 5. Battery Replacement ## Tools - Battery cover - Battery flex cable alignment tool - Cut-resistant gloves - ESD-safe tweezers - Fine-tip permanent marker - Nylon probe (black stick) - Pentalobe screwdriver - Suction cup - Torque driver (blue, 0.65 kgf cm) - Torx Plus 3IP 44 mm half-moon bit - Adjustable torque driver (10–34 Ncm) - Battery adhesive - Battery press plate and support frame - Ethanol wipes or isopropyl alcohol (IPA) wipes - iPhone display press - Torx Plus 3IP 25 mm bit Also check the tools for every linked access procedure. Match Torx and Torx Plus bits to the screw specified. ## Parts and supplies A new battery assembly matched to the exact model and connector. Use the specified replacement adhesives and protective materials. Compare the exact model and part number before installation. Confirm all required screws, adhesive, tape, foam and fixtures in the complete procedure. [Exact-model documentation](https://support.apple.com/en-us/docs/mac/301020) ## Table of contents 1. [1. Before you begin](#prepare) 2. [2. Repair sequence](#steps) 3. [3. Illustrated resources](#walkthrough) 4. [4. Final checks](#checks) ## Before you begin Choose Apple menu → About This Mac and confirm the model, chip and screen size. For Intel 2020 MacBook Pro, also match the two-port or four-port version. A similar enclosure does not establish parts compatibility. Battery and workspace precautions Follow the discharge instruction in stage 1 before opening. A swollen, punctured, dented or unusually hot battery needs specialist handling. Do not bend, heat or force it. Protect your eyes, prevent accidental startup and disconnect power before adjusting any internal connection. [Battery safety and workspace setup](https://support.apple.com/en-us/100353) Keep the battery attached to its tray. If an adhesive strip cannot be recovered, stop and follow the manual’s alternative service instructions; do not force the battery out. ## Repair sequence Work through these stages with the complete illustrated procedure open. It contains the detailed screw map, torque values, connector directions and reassembly order for this model. [Open the complete illustrated procedure](https://support.apple.com/en-us/117597) 1. 1 ### Confirm the part and prepare Discharge the battery fully, following the exact-model safety procedure, before opening. Back up your files, shut down, unplug all cables and work on a clean, ESD-safe surface. 2. 2 ### Open the bottom and isolate power Keep the lid closed while removing the bottom-cover screws and releasing its clips. Disconnect the battery power and data connections in the illustrated order before touching internal cables. Map every screw to its location. Bottom cover removal reference 1Apple diagram 1 of 2[Apple · View source step ↗](https://support.apple.com/en-us/117596) ![MacBook Air (15-inch, M3, 2024) Bottom Case: Bottom cover removal reference 1 (apple diagram)](https://cdsassets.apple.com/live/SZLF0YNV/service-documentation/macbook-air/117592/923-08974.png) Bottom cover removal reference 1 · Apple 3. 3 ### Complete the access steps With power isolated, remove the connector covers shown in the photos. Keep their screws and any reusable insulating material organized. [Bottom case](https://support.apple.com/en-us/117596) 4. 4 ### Release the battery assembly Move the trackpad flex clear. Remove six tray screws and stretch-release all four battery adhesive strips. Handle the tray edges; slide its battery flex clear without bending the cells or cable. Battery removal reference 1Apple diagram 1 of 5[Apple · View source step ↗](https://support.apple.com/en-us/117597) ![MacBook Air (15-inch, M3, 2024) Battery: Battery removal reference 1 (apple diagram)](https://cdsassets.apple.com/live/SZLF0YNV/service-documentation/macbook-air/117592/923-08925.png) Battery removal reference 1 · Apple 5. 5 ### Position and secure the replacement Apply fresh adhesive and align the battery with its flex-cable alignment tool. Keep cables clear. Activate adhesive with the model-specific roller procedure. Refit tray screws to their specified torque. Battery reassembly reference 1Apple diagram 1 of 3[Apple · View source step ↗](https://support.apple.com/en-us/117597) ![MacBook Air (15-inch, M3, 2024) Battery: Battery reassembly reference 1 (apple diagram)](https://cdsassets.apple.com/live/SZLF0YNV/service-documentation/macbook-air/117597/117597_Batt_Adhesive_Tabs.png) Battery reassembly reference 1 · Apple 6. 6 ### Reassemble and complete the repair Restore all removed parts, covers and cable routes in the full procedure’s reassembly order. Reconnect battery power only at the specified stage, inspect for loose hardware, close the bottom and complete the checks below. ## Illustrated repair resources ### MacBook Air (15-inch, M3, 2024) Battery Apple [Complete illustrated procedure](https://support.apple.com/en-us/117597)[Complete Apple repair manual](https://support.apple.com/en-us/119580) ## Final checks Use these checks after reassembly. Checkboxes reset when you leave the guide. Confirm the Mac starts on battery power and recognizes the replacement in System Settings → Battery.Connect a known-good charger. Confirm charging, then unplug and check normal use without unexpected shutdowns or unusual heat.Check that the bottom cover fits flush and the trackpad clicks normally. Stop using the Mac if the battery expands or presses on the case.Run the specified post-repair diagnostics and any supported repair completion process. Recycle the removed battery through a battery collection service. ## Prefer a professional repair? Get help with diagnosis, parts compatibility or installation. [Book Professional Repair](https://ultimatewirelesssolutions.com/appointment)[Request Quote](https://ultimatewirelesssolutions.com/get-a-quote) UWS organizes these repair stages and checks with credited repair resources. Follow the complete procedure for your exact hardware and replacement part. Available functions depend on part compatibility and any required calibration. Parts for this repair ### MacBook Air 15-inch (M3, 2024) Ask us to confirm the correct part and availability before ordering. [Check Parts Availability](https://ultimatewirelesssolutions.com/get-a-quote) ### Want us to do it? MacBook repair help in Tustin. Call or text: [949-300-8898](tel:9493008898)[Or text us](sms:9493008898) 18062 Irvine Blvd, Suite 207 Tustin, CA 92780 ### More for this MacBook [Screen Replacement (with Frame) →](https://ultimatewirelesssolutions.com/repair-guides/apple/macbook-air-15-m3-2024/screen-replacement)[All MacBook guides →](https://ultimatewirelesssolutions.com/repair-guides/macbook) --- Ultimate Wireless Solutions · 18062 Irvine Blvd Suite 207, Tustin, CA 92780 · (949) 300-8898 · https://ultimatewirelesssolutions.com