Add portable backup power to a protective iPhone 15 case for total peace of mind.

There's nothing more frustrating than a low phone battery and nowhere to charge it, but that's where a battery case comes in. Here are our top picks across all recent iPhone models.

These top-rated battery cases will keep your iPhone 7 running all day long.

Plenty of portable power in a slim, stylish two-piece design makes the Boostcase Power Case today’s best iPhone 6 battery case.

The Apple iPhone 7's battery life isn't bad, but it can't hurt to have extra power. Here are the best iPhone 7 battery cases to keep your smartphone charged.

What makes a smartphone battery case “smart”? It’s a question Apple is trying to answer with its brand new Smart Battery Case for the iPhone 6 and 6S. The $99 slip-on case, available ...

Smart Battery Case compared to Apple leather case for iPhone X The Smart Battery Case makes the phone noticeably heavier, there’s no getting around it.

We’ve spent more than 140 hours testing 21 different battery cases (18 for the iPhone 6 and three for the iPhone 6 Plus), and we think the best battery case for most people is Anker’s Ultra ...

For extra hours of charge on the go, the best iPhone battery cases will give you additional screen time while still being lightweight.

Apple’s Smart Battery Case for the 6s features a 1877 mAh capacity while the newer model for iPhone 7 was bumped up to 2365 mAh. This means you’ll get a about 120% charge for the iPhone 7 and ...

Apple’s own iPhone battery case is an acquired taste, as you can see in the photo at the top of this post. The problem is that some people will never acquire that taste. And on top of its odd ...

If you're still hanging on to your iPhone 6S, the battery may need some help. These battery pack cases for your 6S boost battery life and offer protection.