2015 Macbook Pro Battery
2015 Macbook Pro Battery

The 2015 MacBook Pro, known for its reliability and performance, may start to show battery degradation over time, impacting its usability. Replacing the battery can give it a new lease on life. Here’s a detailed guide on how to replace the 2015 MacBook Pro battery.

1. Gather Necessary Tools:

For a successful replacement, assemble the required tools like Pentalobe and Torx screwdrivers, plastic opening tools, and a replacement battery.

2. Order a Quality Replacement Battery:

Purchase a high-quality replacement battery that is compatible with the 2015 MacBook Pro. Prefer batteries from reputable suppliers to ensure reliability and safety.

3. Backup Your Data:

Before starting the replacement, backup your MacBook’s data to avoid any potential loss.

4. Power Off the MacBook:

Ensure the MacBook is completely powered off and disconnected from any power source.

5. Remove the Bottom Case:

Using a Pentalobe screwdriver, remove the screws securing the bottom case, and gently lift it off.

6. Disconnect the Battery:

After opening the case, locate and carefully disconnect the battery connector from the logic board.

7. Remove Old Battery:

Using the appropriate screwdrivers, remove the screws securing the battery, and carefully extract it from the MacBook’s casing.

8. Insert New Battery:

Place the new battery in the proper position, ensuring it fits securely, and fasten it using the screws you removed earlier.

9. Reconnect the Battery:

Carefully reconnect the battery connector to the logic board, ensuring it’s securely attached.

10. Reassemble the MacBook:

Place the bottom case back and secure it with the Pentalobe screws.

11. Calibrate the New Battery:

After replacing the battery, perform a calibration by fully charging it, keeping it charged for two more hours, then using it unplugged until the battery is completely drained, and finally, charging it uninterrupted to 100% again.

12. Check the Battery Status:

Once the calibration is complete, check the battery status to ensure the replacement battery is recognized and functioning properly.


Replacing the battery in a 2015 MacBook Pro can revitalize its performance and extend its usability. By obtaining the right tools and a quality replacement battery, ensuring data backup, and carefully following the replacement steps, you can breathe new life into your MacBook. Remember, safety first; if you are unsure at any step, seeking professional assistance is the best course of action.


  1. Is it safe to replace the MacBook Pro battery by myself?
    • Replacing the battery is relatively safe if you follow the instructions meticulously and use the correct tools. However, if you feel unsure, it’s best to seek professional help.
  2. How long does a replacement battery last for the 2015 MacBook Pro?
    • A quality replacement battery can last for several years, depending on usage patterns, but typically, it should hold a good charge for at least 2 to 3 years.
  3. Can a faulty battery affect the MacBook’s performance?
    • Yes, a failing battery can lead to reduced performance, unexpected shutdowns, and can even pose safety risks.
  4. How can I dispose of my old MacBook battery?
    • It is crucial to dispose of old batteries at authorized recycling centers or through proper e-waste disposal channels due to environmental concerns.
  5. Do I need to calibrate the new battery after replacement?
Eric Chan

Hi! I’m Eric and I work on the knowledge base at GadgetMates.com.  You can see some of my writings about technology, cellphone repair, and computer repair here.

When I’m not writing about tech I’m playing with my dog or hanging out with my girlfriend.

Shoot me a message at ericchan@gadgetmates.com if you want to see a topic discussed or have a correction on something I’ve written.

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