Apple says the iPhone 15's battery got better -- but won't say exactly how

The iPhone 15 Pro and Pro Max are the subject of some new and improved battery health claims. | Photo by Vjeran Pavic / The Verge iPhone 15 owners seemingly got some great news yesterday: long-term battery health is better than Apple initially claimed. Twice as good, in fact! The company is now advertising a much larger number to represent how long its batteries will last. The trouble is, we're not exactly sure if the batteries have gotten that much better -- or if Apple has just changed how it ...