1

In other words I want to plug the hub into my Macbook Air and the power into the Hub

[Power]-->[Hub]-->[2018 Macbook Air]

I bought 2 hubs and neither seems to be able to do this. I tried a VANMASS 9-in-1 USB HUB and a Sicotool 8 in 1 Type C Combo USB C Hub Adapter

In either case the Macbook Air shows

AC Charger Information:

  Connected:    Yes
  Wattage (W):  5
  Charging:     No

update

Okay so I tried a bunch of things. First off I'm using an Anker 60W Powerport 6 as power. I made the assumption, I guess wrong, that given the power adaptor that comes with the Macbook Air is 30W that this Anker 60W would deliver enough power. But apparently that's wrong. If I connect it directly to the Macbook Air it just says

AC Charger Information:

  Connected:    Yes
  Wattage (W):  12
  Charging:     No

So, apparently the hub is taking 7W?

I plugged the Apple 30W USB-C Power Adaptor into the hub and I get

AC Charger Information:

  Connected:    Yes
  Wattage (W):  19
  Charging:     No

So now the question is, if I go out and buy say the Apple 87W USB-C Power Adaptor and plug it in to the hub will in finally start charging through the hub?

1

if I go out and buy say the Apple 87W USB-C Power Adaptor and plug it in to the hub will in finally start charging through the hub?

Answer: Yes, I went to the Apple store, plugged on the Apple 60W USB-C Power Adaptor and System Info shows the Macbook Air was charging.

So I guess the 60W Anker is not 60W for a single port

  • This is incorrect. The MacBook Air conforms to the USB 3.1 Power Delivery Specification. The Anker is a power bank, not a hub and is not USB 3.1 compliant so it cannot negotiate power as per the PD spec. The other hubs you listed in your Q, do supply power, but it's designed to supply power from your computer, not to it. To do what you want, you need a bank, hub, or dock that supports USB 3.1 power delivery – Allan Nov 16 '18 at 13:15
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    I'm not sure what you're saying as for being incorrect. It is correct that a more powerful power supply worked, in particular the Apple 87W USB-C Power Adaptor worked with either hub in between the power adaptor and the computer. This answer says nothing about the Anker. The Apple 30W USB-C Power Adaptor did not work through either hub. Both hubs claim to be USB 3.1 power delivery able but they both sucked up enough power that the Apple 30W USB-C power supply wasn't able to charge through those hubs. – gman Nov 17 '18 at 2:08
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Actually many hubs can have this features. I purchased a type c hub last days, and it can charge mt laptop But i don't know if it's limited to the computer model. https://www.amazon.com/CZHOON-Charging-Chromebook-Nintendo-Laptop-Gray/dp/B07C1R8KFC

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