The MacBook Pro 13″ Touch Bar 2019 is a popular and powerful device known for its sleek design, impressive performance, and user-friendly features. However, like any electronic device, it may encounter issues over time. One such problem that some users face after changing the battery is overheating and rapid battery drain.


macbook pro 13 touch bar 2019
macbook pro 13 touch bar 2019MacBook Pro 13″ Touch Bar 2019

In this article, we will explore the potential causes of this issue, provide warnings to avoid further damage, offer tips to mitigate the problem, and suggest possible fixes.


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Causes of Overheating and Rapid Battery Drain After Battery Replacement:

  1. Incompatible or Low-Quality Battery: One possible cause could be using an incompatible or low-quality battery purchased from an unreliable source. It’s crucial to ensure that the replacement battery is specifically designed for the MacBook Pro 13″ Touch Bar 2019 model and is of high quality. Incompatible or substandard batteries may not work efficiently, leading to overheating and faster battery drain.
  2. Incorrect Battery Installation: If the battery replacement was not installed correctly, it can cause overheating and battery-related issues. The installation process for MacBook Pro batteries can be complex, requiring precision and careful handling. Even a slight misalignment or improper connection can result in poor battery performance and subsequent overheating.
  3. Calibration Issues: Although you mentioned calibrating the battery, there is a possibility that the calibration process was not executed accurately. Battery calibration helps the MacBook accurately estimate its battery life and optimize performance. If the calibration was not completed correctly, it can lead to inaccurate readings, causing the battery to drain faster than expected.


  1. Avoid Non-Apple Certified Batteries: Using batteries that are not Apple-certified or recommended can pose a risk to your MacBook and may even void your warranty. It is crucial to choose reputable sellers or official Apple stores when purchasing replacement batteries to ensure compatibility and quality.
  2. Handle Battery Replacement with Care: The process of replacing the battery in a MacBook Pro can be challenging and delicate. It is advisable to follow proper guidelines provided by Apple or seek professional assistance to avoid any damage to the internal components of your device.

Tips to Mitigate the Issue:

  1. Double-Check Battery Compatibility: Verify that the replacement battery you purchased is specifically designed for the MacBook Pro 13″ Touch Bar 2019 model. Check for compatibility information provided by the manufacturer or consult with Apple Support to ensure you have the correct battery.
  2. Review Battery Installation: Carefully inspect the battery installation to ensure it is properly seated and securely connected. Double-check that all connections are aligned correctly, and there are no loose cables or components.
  3. Recalibrate the Battery: If you suspect an inaccurate battery calibration, you can try recalibrating the battery. Start by fully charging your MacBook, then use it until the battery drains completely and the device shuts down. Afterward, connect the MacBook to power and allow it to charge to 100% without interruption. This process can help recalibrate the battery indicator and improve battery performance.
  4. Reset SMC and NVRAM: Resetting the System Management Controller (SMC) and Non-Volatile Random-Access Memory (NVRAM) can often resolve various hardware-related issues. Instructions for resetting the SMC and NVRAM can be found on Apple’s official support website. However, exercise caution and ensure you follow the correct steps for your specific MacBook model.

Possible Fixes:

  1. Seek Professional Assistance: If the issue persists or if you are uncomfortable performing troubleshooting steps yourself, it is advisable to contact Apple Support or visit an authorized service center. Certified technicians can diagnose the problem accurately and provide appropriate solutions.
  2. Reinstall Original Battery: If you still have the original battery, reinstalling it temporarily can help determine whether the problem lies with the replacement battery. If the MacBook no longer experiences overheating or rapid battery drain with the original battery, it is an indication that the replacement battery may be the root cause of the issue.
In conclusion
after changing the battery in your MacBook Pro 13″ Touch Bar 2019, experiencing overheating and rapid battery drain can be concerning. It is important to use compatible and high-quality batteries, ensure correct installation, and accurately calibrate the battery. Following the provided tips and, if needed, seeking professional assistance can help resolve the problem and restore your MacBook’s performance to its optimal level.
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By Jake Anderson

Iā€™m Jake Anderson who is passionate about technology, reading books, blogging and sports. If you want to read my blog you can read my profile creation blog.