Hi, I know there are a lot of threads on using the MacBook retina charger, combine with the usb-c to lightning cable to charge the iPad Pro 12.9" faster. But I'm curious, the charger with the usb-c to USB adapter, then a regular usb to lightning cable, will that charge my iPad Air as fast as the 10w charger included, if not faster? It would seem so but the usb-c to USB adapter may be the hinderence here. I will test myself but was curious if anyone has tried it. I hope so cause then I will be able to carry one charger for everything then. Thanks!