It would require a Buck converter to change the 12v into 5v ($5 @ Amazon, plus connectors and splicing and soldering and placing the results in a small project box, another $10-$20). The excess voltage is converted to heat plus the actual power drain it takes to do the conversion, so it wouldn't be the ideal solution (or even a good one) in terms of power consumption especially if you're also powering the iFly with it at 12v. I'd suggest keeping the Stratux on a different power source. If you're set on doing it and enjoy DIY projects, you can break open an existing 12v cigarette lighter plug/USB power supply and modify the internals to achieve what you want (12v --> 5v USB).