Battery life is arguably the most important thing a phone can offer, far more than high performance, AI features, or even high-quality cameras. Fortunately for iPhone users, it seems that the days of mediocre battery life are long over — and the iPhone 17 is no exception to that trend.

We put the iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max and iPhone Air through the usual Tom's Guide battery test to see just how long their batteries would last. This process involves continually surfing the web over 5G, with the screens set to 150 nits of brightness.

Naturally, the iPhone 17 Pro Max proved to be the best of the bunch, thanks to its super-sized new battery, while the ultra-thin iPhone Air felt a little disappointing. The iPhone 17 Pro also proved capable enough to land a spot on our best p

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