What are the best external battery packs for the iPhone What do different iPhone external battery packs have to offer Which external iPhone battery pack should you buy? If you want to extend the battery life of your iPhone you’ll be interested in an external battery pack (or iPhone battery case). Here we have 5 of the best iPhone battery packs for you to look at. The iPhone is a miracle of engineering that cram a battery and screen into a small space that provides power to run for most of the day. We say “most” because the iPhone typically runs for around 7-10 hours, which is a working day but certainly not a full 24 hours. The iPhone battery life also depends a lot on what you’re doing in the day: if you spend a lot of time playing video, running
