I thought I would share more information here. I ordered a power supply from Sweet Foot pedals and received it yesterday. As stated above, I ordered the "HX - Mini" https://sweetfootpedals-com.3dcartstores.com/HX-Mini-Totally-Isolated-Power-Supply--APPROVED-BY-LINE-6--Handmade-USA-_p_569.html
The power supply feels like really good quality. The power supply uses a normal 110V input cable (he provides one) that you probably have some laying around the house. The power supply has 4 outputs; 1 output for the POD Go with high current, and 3 normal outputs. The white one is the one to use for the POD Go (or HX) and the black ones are for other pedals. He includes a special cable that has a normal connector for the power supply side and a special connector for the POD Go side. When it's plugged in you see a blue LED that lights up.
I attached a couple photos showing it hooked up to my POD Go and a Digitech Drop pedal, and also a photo showing the input and outputs.