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.

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.

Apple's battery life estimates for the iPhone 16 Pro and 16 Pro Max imply that battery life might be better with Always-On display disabled.

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.

Apple claims that the new technology will make it faster and safer for iPhone owners and repair specialists to swap out the battery. It works by “running a low voltage electrical current through the new ionic liquid battery adhesive,” which releases the power pack from its enclosure.

The test placed the four new iPhone 16 models under scrutiny, with each showing varying levels of improvement compared to last year’s iPhone 15.