iPhone 15 Battery & Power Troubleshooting & Solutions

Battery efficiency is a hallmark of the iPhone 15, but battery drain, charging issues, overheating, or random shutdowns can severely impact daily usability.

If your battery is draining too quickly, charging slowly or not at all, the device is overheating, the battery percentage won't update, or your phone is restarting unexpectedly, the guides below provide comprehensive troubleshooting.

Choose the issue that best matches what you're experiencing:

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iPhone 15 — Battery Draining Fast

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iPhone 15 — Charging Slowly or Not Charging

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iPhone 15 — Battery Drops After Shutdown or Overnight

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iPhone 15 — Overheating and Losing Battery Quickly

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iPhone 15 — Battery Health Dropping Too Fast

Whether caused by background processes, battery health degradation, charging port issues, thermal problems, or system bugs, these guides will help you optimize battery performance.