I use little flat lithium ions in my nomadio. I haven't bothered with the airtronics yet. I use a dimension engineering bec to drop it to 5V. Don't feel like burning up my nomadio.
6 KiloWatt A123 Racer
GTP-Pletty Big Maxximum+RX8. GTP-C50-6L Hacker+RX8. CRT.5-Pro4+ZTW esc.
24s2p EVG SX 49.6mph Ebike.
18s4p Raptor 60mph Ebike. 11.5KW