Getty Images To sign up for our daily newsletter covering the latest news, hacks and reviews, head HERE. For a running feed of all our stories, follow us on Twitter HERE. Or you can bookmark the Lifehacker Australia homepage to visit whenever you need a fix. Batteries don’t last forever and that can become quite a problem for something like an iPhone. iPhone batteries are notoriously difficult to replace and battery health can impact a number of things, including your phone’s performance. To provide more insight into your phone’s battery life, Apple has a number of tools you can access with the touch of a button.