Can you charge your phone via the pack while the pack itself is plugged into USB-C charging? If so, this might work as a USB-C travel charger / battery pack which is what I'm looking for.I got my MagSafe battery in today! I am very impressed with the build quality given the $30 price point (feels just as solid as much more expensive batteries) - I love that it recharges over USB-C. The magnetic side is a super soft rubber and feels even less likely to damage the iPhone than the MagSafe puck snapping to it.
My first test went from 35 percent to 66 percent in 30 minutes; so roughly 1 percent a minute - need to do some tests to compare to the regular MagSafe puck, but pretty impressed so far! That is the 12 mini for size references.