https://techcrunch.com/2019/09/22/iphone-11-pro-teardown-reveals-smaller-logic-board-larger-battery/

iFixit has disassembled Apple’s new iPhone models, which tells us more about the differences with last year’s phones. iFixit shot a live-stream video of the iPhone 11 Pro teardown and wrote a guide for the iPhone 11 Pro Max.

The first major difference is that the batteries in the iPhone 11 Pro and iPhone 11 Pro Max are much larger than the batteries in the iPhone XS and iPhone XS Max.