Motile Vegan Leather Commuter Wallet Phone Case, $35-$45, available in 6 colors at Walmart
It's not always practical or preferable to carry a full purse or backpack, which is where this convenient wallet phone case comes in handy. It features a cash pocket, zip pocket, removable wristlet strap, card slots, and — you guessed it — a 3,000 mAh power bank. This power bank is Qi certified, so all you have to do is place your phone within the pocket to enable instant wireless charging. The exterior of the case is made from a pebbled vegan leather that's as stylish as it is durable.