What’s the thing you want most in a phone? Better battery life, right? Well, now we have confirmation of how the new iPhone batteries have changed.

The first iPhone 16 reviews deliver real-life battery tests, and the small iPhone 16 can almost match the iPhone 15 Pro Max.

The Information published a story that Apple had developed new “electrically induced adhesive debonding” technology to secure the battery in the latest iPhone, replacing adhesive strips. Apple has now confirmed that is the case, according to Engadget.

On our TikTok rundown battery test, which loops a continuous video until it dies with the display at 50% of brightness, the iPhone 16 Pro Max ran out of juice after 25 hours and 17 minutes.

Regulatory documents reveal the iPhone 16 battery capacities. The batteries are bigger than the iPhone 15 models - here's how they compare.

Apple was able to introduce significant gains in battery life across the entire iPhone 16 lineup, and new regulatory information from

Apple announced during its 9 September event that the iPhone 16 models had larger batteries. Now a regulatory listing has appeared showing just how much more capacity those batteries have in comparison with iPhone 15 equivalents.

Behold! I now crown the iPhone 16 Pro Max as our new smartphone battery life king, kicking the Google Pixel 9 out of its short-lived throne. You won't believe how long the top-tier iPhone 16 lasted on a charge.

The iPhone 16 family has much bigger batteries than its predecessor, with the iPhone 16 Pro growing by almost 10% versus the iPhone 15 Pro.

Via regulatory listings we found that the iPhone 15 and iPhone 15 Plus have 3,349 mAh and 4,383 mAh batteries, respectively. In our tests we found the Plus model performed much better than the standard iPhone 15, giving us a battery life of 14 hours and 14 minutes compared to 11 hours and 5 minutes.