Best to keep a power bank on your in order to provide yourself with some reliable backup power when it’s needed in a pinch. 10,000mAh is the total energy this power bank holds. See at AmazonMagnetic Wireless ChargingThis Anker power bank is designed to be ultra-slim and portable, measuring in at only 0.58 by 2.78 by 4.09 inches. If you require charging a bit faster than what the MagGo wireless charging pad can provide, you can use the additional 30W max USB-C port. This Anker power bank does come sporting in a variety of colors, which is great since it will be attached to your phone mostly when in use.