I love my Minikin Boost 1.5
155W, 2x 3000 mah batteries (or whatever 18650s you want to use), mini usb charger, 10/10 build quality
Clouds come from coils, not mod though. It doesn't matter if you have a 500W mod, you can't use voltages too high for the resistance of your coil. You'll turn it into charcoal.
Just keep this in mind...
The only mods i've seen with real passthrough (vaping from USB power) were the old MVPs. I assume the MVP4 is the same. The way it works for most mods is when you vape, it stops charging the batteries and draws from them, then resumes charging. I don't know if there's implications to battery life and how that impacts the number of cycles it'll go through.
But that's an area of ignorance of mine. Real passthrough might be more common.
With that said, you might want to reevaluate your whole thing. I will get 10x more clouds out of a 0.3 ohm atlantis style coil @ 3.3V than I will using a CE4 at 10V. Voltages don't mean anything.