Anker PoweCore Play 6K Mobile Game Controller

The Anker Advantage: Our product’s powerful technology underlies over 55 million units sold worldwide.

“For Gaming: Includes portable power source with a gamepad design to extend gaming time”

It has a 6,700mAh capacity; it provides quite a big charge of electricity. To start charging, attach your phone or tablet to one of the USB or USB-C ports on the hub.