Amazon sells the $49 shipped Apple Smart Battery Case for iPhone 7/8. This is less than our previous comparison than the usual $99 price tag. Use up to 26 hours for your iPhone 7 or 8 with Apple’s Smart Battery Case is a great way to provide extra power during the day or your journeys. The connectivity of Lightning Cable makes it much easier to fuel your battery case and iPhone every night. With this case, you will still have access to every port, button, switch, and camera.
The Smart Battery Case for iPhone 7 gives you extra battery life with the look and protection of an Apple-designed case.
Combined with the Smart Battery Case, iPhone 7 provides up to 22 hours of battery life for browsing the web, up to 24 hours of watching HD video, and 26 hours of talk time.
The Smart Battery Case also works intelligently with your iPhone to charge simultaneously when you’re plugged in, so both case and iPhone will have more than enough battery life to get you through the day, and then some.
The soft elastomer hinge and one-piece design make it easy to put the case on and take it off. You can even connect it to any Lightning accessory, such as the Lightning Dock. And iOS 10 or later allows you to see the battery status of your iPhone 7, your Smart Battery Case, and even your Apple Watch, all in one place.