Amazing Thing Thunder Pro Mag 5000Mah Magsafe Compatible Wireless Battery Pack Is Powerful But Slim Featuring 2X Extra Strong Magnets To Ensure Secure Attachment To A Magsafe Compatible Case Or Directly On Magsafe Compatible Iphone. The Battery Pack Features 2 Outputs With 22.5W Fast Pd (Power Delivery) Charging Via Usb-C Cable And Fast Wireless Charging 15W.