I grabbed one of these based off of recommendations in the forums and it works great. I can unplug it and move my hub around without having to shutdown the hub at all.
https://www.amazon.ca/gp/product/B00ME3ZH7C/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
You will also need a barrel to usb adapter like this as you will be plugging into the usb port and not the supplied barrel connector.
https://www.amazon.ca/gp/product/B01N7RL57X/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1