I thought of the same thing as you using Misha as stand alone with minimal setup, so I got a Tiptop fly bus power from Amzn, and

just find a DC switching wall wart laying around (need 2.5mm inner hole plug, center positive), I have tried a 9V DC, and a 12VDC both works for tiptop power, and both worked for driving Misha.

I then used made a small wood frame to host the tiptop power module and Misha, and put in a suitcase, I bought a 5V USB step up cable to 12V DC, was able to put in suitcase, and whole thing powered by a 8,000mAh power bank.