Battery For iPhone 13 Pro Max Direct Installation with Percentage Display

With iPhone 12 and later using iOS 18, a genuine battery can be reused on another iPhone of the same model.
The label “Used” will appear next to Battery for a genuine Apple part that was previously installed in another iPhone.

You can check your battery’s date of first use, capacity, and cycle count in Settings > Battery > Battery Health.

How to Run Diagnostics & Finish Repair for iPhone Battery

1. Ensure your device is updated to iOS 18

2. Go to Settings > General > About > Parts & Service History

3. Tap "Restart & Finish Repair" to activate Repair Assistant

4. Follow the on-screen instructions to complete the calibration

After completing this process, your battery will display 100% health, and there will be no pop-up warning about non-genuine parts.

Important Notes:

✔ Your iPhone must be connected to Wi-Fi
✔ Your battery level should be above 20%
✔ If the process fails, restart your device and try again
✔ If the repair is not finished, the part may not function optimally, and some features (Face ID, Touch ID) may not work until calibration is completed