Battery cases must be able to add extra juice to your phone and provide damage protection. You’ll also want something that doesn’t interfere with your phone's features, like NFC or ports ...

Best thermal phone cases to protect your phone in extreme temperatures - Protect your tech no matter the weather ...

It can be used with magnetic phone cases, too, or with any plain wireless ... and if you happen to run low on battery, you have a back-up on hand, or you just have a huge battery to keep ...