Why my iPhone battery expired in just a year WSJ

No lithium-ion battery lasts forever, which is why every Apple iPhone has a hidden “Maximum Capacity” setting to determine the health of your battery.

WSJ's Joanna Stern investigates why her iPhone 14 Pro's battery degraded to 87% in just one year. Tip: Battery cycle matters. She also reviews your battery replacement and repair options.

Chapters:
0:00 iPhone batteries are going bad
0:52 Battery status numbers
1:41 Charging cycles, explained
4:24 Best Battery Replacements

Tech Things with Joanna Stern
It's all about technology now. In creative and humorous videos, Joanna Stern, WSJ's senior personal technology columnist, explains and reviews the products, services and trends that are changing our world.

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