Re: usb ports not providing enough power

Ok I have a good solution purchse this and see what current it is putting out and drawing

https://www.amazon.com/Display-Tester-Current-Detector-Charger/dp/B015F83X0U/ref=sr_1_3?rps=1&ie=UTF8&qid=1474739903&sr=8-3&keywords=usb+voltage+meter&refinements=p_72%3A2661618011%2Cp_85%3A2470955011

This device has valid reviews accordind to the fakespot web site

http://fakespot.com/product/5a9v-led-display-multi-tester-dual-usb-output-current-detector-for-phone-charger-power-bank

You will be able to see how much the scanner is drawing from the hub as well as how much the ports are putting out.

Very handy tool