Best Buy offers the Apple iPhone 7 Smart Battery Case in Black or White for $84.99 shipped. Matched at Amazon in White. That’s $14 off the regular price and a match for the best that we’ve seen.

Apple’s in-house battery case for iPhone 7 has a number of advantages over third-party alternatives. Most notably is its built-in MFi Lightning port that charges your phone and case without the need for additional microUSB cables. It also has built-in monitoring in iOS 10. You can count on up to an additional 26 hours of battery life on a full charge. Rated 4.7/5 stars by over 200 Best Buy reviewers.

Engineered exclusively for iPhone 7, the Smart Battery Case gives you even longer battery life while offering great protection. Inside, a soft microfiber lining helps protect your iPhone. And on the outside, the silky, soft-touch finish of the silicone exterior feels great in your hand. A soft elastomer hinge design makes it easy to put the case on and take it off. Charge your iPhone and battery case simultaneously for increased talk time up to 26 hours, Internet use up to 22 hours on LTE, and even longer audio and video playback. With the Smart Battery Case on, the intelligent battery status is displayed on the iPhone Lock screen and in Notification Center, so you know exactly how much charge you have left.

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