Key takeaways:

The iPhone 17 Pro Max has excellent battery life that easily lasts a day with charge to spare.

Our lab data shows you don't have to pay over a grand for excellent battery life. The $829 iPhone 17's battery lasts just as long as the $1,099 iPhone 17 Pro.

The ultrathin iPhone Air with a modest battery capacity outlasted Samung's premium Galaxy S25 phones.

I've been reviewing smartphones at CNET for nearly a decade and if there's one feature people consistently want in a new phone, iPhone or Android , it's more battery life. When Apple launched the new iPhone 17 series and iPhone Air, it spent time touting how the iPhone 17, 17 Pro, and 17 Pro Max have longer battery life than their predecessors. Now, my fellow CNET reviewers and I have had the chance to test its clai

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