AIElectro 1800 mAh 50 W Wireless With MagSafe Ultra Compact Pocket Size Power Bank  (White, Lithium, Quick Charge 4.0 for Mobile)

The most significant advantage of wireless power banks is that it cuts the cord. No more output port, so no cable needed. Also you can use one wireless power bank to charge different phones without limitation of the type of the port and cable. Keep in mind that a cordless world is a trend.