Charging From a Mophie XL
Numerous 12" MacBook reviews have noted the ability to charge the new MacBook with brick batteries such as Mophies.
However, I hooked my Mophie XL up and nothing. I used the Apple USB‑C port to USB converter, so my diagnosis of the problem is that the USB cable I used was a 2.0 and it would need to be the 3.0 USB?
thanks
MacBook (Retina, 12-inch, Early 2015), iOS 8.3, 1.2 Gz Intel Core M 500 GB Flash St