iPhone 7 - Magnetic Charging Magic

The Mophie Juice Pack Air for iPhone 7 and iPhone 7 Plus adds extra battery and magnetic wireless charging to your iPhone.

More info from Mophie - The protective juice pack air battery
case has the power to extend the life of your iPhone 7 to a total of 27 hours and features Charge Force wireless power to enable effortless charging using virtually any wireless charging technology.