Apple is developing an AI-powered battery-saving feature for its upcoming iOS 19, according to sources close to Bloomberg.The feature will optimize background apps based on user behavior and time of day to extend battery life by reducing power consumption.Apple is training the AI using iPhone data to understand users' habits, which will then adapt to individual patterns over time.The feature may be introduced in Apple's iPhone 17 Air, speculated to be thin with a small battery size, during this year's WWDC in June.