Apple's iPhone 18 Pro Max delivered the longest battery life in a new endurance test.
The top iPhone kept 99% of its battery after a 45-minute stress test and 92% after a three-hour streaming video test.
The A20 Pro chip and iOS 27 helped Apple's hardware and software work together to deliver strong battery life without giant batteries.
The iPhone 17 ranked second, and the iPhone 18 Pro tied for second while posting the best streaming score.
Apple's iPhone lineup once again topped the battery life rankings.