I have had mine since day one on the 28th of December. I use it every time i drive the car with at least one phone charging, sometimes my work phone as well. No issues at all. Very happy with it. I have a thumb drive in one port and use the splitter that came with the Nomad to drive both sides of the charger.
You’d be better off with a Navak splitter. The Nomad would charge faster.
plug, say, the left side of the Nomad into one of the car’s USB ports, and then the Navak into the other.
put the second Nomad cable on the “Charging” port of the Navak, and the USB drive on the “data” port.
then the Nomad would get a full 2.1amps of charging capacity on each side; right now it only get 1amp.
Just a suggestion!