I know the Pi Zero can be easily powered by just about any USB 5V power bank, but does anyone have any solutions they are particularly happy with?
This goes on your face and USB cables and connectors aren't exactly known for their high flexibility. I wouldn't want the whole power solution to be awkward or tug on things, that kind of makes a comfy head mounted computer awkward itself if it does. What are people who have actually used it most happy with?
The openeyetap design is really nice but I worry about the practical side of needing to tether it to a chunky or handheld power bank.