Apple Boosts iPhone 15 Battery to Last Over 3 Years With iOS 17.4 Transparency Updates After Batterygate
• Apple found iPhone 15 batteries last over 3 years of daily charging, double the original claim
• Battery info now more prominent in iOS 17.4 settings for transparency after "batterygate"
• iPhone 15 lasted 11+ hours in Tom's Guide battery test, slight improvement over iPhone 14
• Keep iPhones around 62-72°F and avoid overheating for battery longevity
• Apple looking into improving battery ratings for older iPhone models too