The Warning Signs That Your iPhone Battery Needs To Be Replaced

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Keep an eye out for red flags that your iPhone battery isn't what it used to be.

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While Apple's iPhone battery tech is well-integrated with iOS to offer maximum life while reporting health metrics and other important info, even the best engineering can't overcome chemical limitations. Battery cells gradually degrade over every charge cycle, with temperature, age and daily use all playing a role.

Apple's battery info page states: "When you know a little about how they work, they can work that much better for you." This also applies to recognizing when a battery starts breaking down on you. Several telltale signs suggest it's time for a battery replacement, and you should watch for them to avoid any day-to-day issues, sluggish performance or sudden shutdowns.

Luckily, pinpointing your iPhone battery's health is much easier than it was a decade ago. Apple has added more battery performance info directly into...

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