Exactly this!
If they had demo prototypes, and small batches, that perform as advertised, you'd think it would be a shoe in. Simple, make a 100 batteries with iphone and samsung form factor - which according to previous ann should charge to 90 percent in 6 minutes. Demo demo demo, put a video up on your website of the phone charging. Do the same for x,y,z. Surely, every phone manufacturer would want in? In three years, why has this not happened?