Originally Posted by Anorak
So far as I know, the A123 nano phosphate chemistry is the only type that is okay with 30C discharges.
Pleany of Lipo batteries are good for way beyond 30C. I am running 40C lipos in some of my RC cars and batteries of 150C are available. http://www.maxamps.com/Lipo-3250-74-Pack.htm