I suppose I could, but it depends on whether or not a booster would be very current limiting. The most common ones I'm seeing are 2A. That's less than what I already have. Is there any reason to not use multiple step up modules in parallel (with added current mirroring) other than increased footprint?
You see, the reason I want to do this isn't just to increase capacity, but the maximum amp output, as I have a lot of motors, and teetering towards brownouts when they all run at once.
And are voltage boosters energy efficient? In my current setup I have very little wasted power due to my switching voltage regulator setup, and it would be nice to keep it that way.