Is your iPhone 7 battery starting to die? Save $20 on Apple’s official battery case

iPhones have gotten so expensive these days that you would have to be crazy to upgrade any sooner than you need to. Heck, Apple's latest iPhone models cost as much as $1,500! If you still have an iPhone 7, your smartphone has more than enough power to keep using for at least another year. What it might not have, however, is enough battery life to comfortably carry you through a full day. Don't worry, and definitely don't spend $1,000 or more on a new iPhone. Instead, pick up an authentic Apple S