In short, a phone's performance can be throttled if it can no longer cope with power demands. There is the option to turn throttling off, but this will result in more frequent crashes. Neither situation is ideal, so a battery replacement seemed like a smart way forward for me, since it wasn't my main phone and I was willing to take the risks.

Battery life can make or break a phone, and the iPhone 16 is absolutely no exception to that. But thankfully you don’t need to worry about it, because the entire iPhone 16 series has managed to exceed the battery life of their predecessors in our battery test — No doubt thanks to the larger batteries and the boosted power efficiency of the A18 and A18 Pro chips.

Apple has outfitted the iPhone 16 and iPhone 16 Plus with a new kind of adhesive that makes it faster and safer to swap out the battery.

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

The newly released iPhone 16 series boasts a lot of impressive features, but none are quite as impressive as the improved battery life.