Ok but Anker’s warranty and support is first class, if you never needed to test it yet. You can probably return or swap if you don’t have a good alternative use for the items.
Anker gave me an IQ3 product and it didn’t work with their own PD product, but as free can’t complain. But was a hint IQ3 isn’t pure PD.
Also if you own a USB meter it really helps debug these issues, recommend invest in one. Often it can be just as simple as the cable. Anker’s own cables are very good but even some of them is the culprit.
Phones really want lower voltages, prefer them, as stepping down from 5V or 9V generates less heat within the phone than stepping down from 12V or 20V, as phone cells are usually <4V. Cables however prefer higher voltages, for a given Wattage as electrical resistance is much higher with higher Ampeage. So basically the phone is really going to want a perfect cable.
Make sense?
So if you don’t own a USB meter, simply try all your cables, one may work. In general shorter cables better than longer cables, thicker better than thinner. E.g. my Anker 6ft cable is worse than my Amazon basics 6 inch cable.
My 18W devices have 7.8V cells and so really like 9V and so work fine with cheap cables.
For phones and other small devices I agree. Wireless has got good enough on price and performance many can get by perfectly fine with a wireless charger in their commonly frequented places. That then causes the gap in the Anker portfolio of a wireless portable charger which we now know is imminently being closed.
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