iPhone XS battery degradation: USB-C vs. USB-A cable?

Will using a USB-C to Lightning cable degrade my iPhone XS battery faster than the original USB-A cable?

iPhone XS, iOS 18

Posted on Aug 7, 2026 11:19 AM

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Posted on Aug 7, 2026 12:34 PM

FYI, the power adaptor is essentially just a DC power supply.


The actual “charger” is inside your phone; and it will continue to operate just as it always has; protecting and optimizing the performance of your battery.

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iPhone XS battery degradation: USB-C vs. USB-A cable?

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