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Is it safe to replace an iPhone battery if the maximum health drops down to 78%?

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LiamSmith3
Published on August 11, 2026
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Should you replace your iPhone battery when Maximum Capacity drops to 78%, and does it affect performance or water resistance? Read details on iPhones PK official Apple store.

Community Answers (1)

Y
YukiTanaka1 Rep: 819
Answered on Aug 11, 2026 at 9:52 AM
Best Solution

Yes, it is completely safe and strongly recommended to replace the battery when health falls below 80%. Apple officially considers a battery degraded below 80% Maximum Capacity. At 78%, iOS triggers Performance Management (throttling) to prevent sudden unexpected shutdowns during high CPU workloads.

iPhone Battery Health Degraded Screen

Learn battery maintenance on iPhones PK PTA approved iPhone prices in Pakistan.

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