This is in my brushless traxxas slash. It has a CC mamba Max pro ESC and a velinion motor. I run it on a 4200mah 4s zippy flightmax lifep04 battery & it runs great! I'm kind of afraid of lipo batteries because of their fire hazard. I know the chance of a fire is extremely minute! But since I am paralyzed and live in a nursing home I cannot take any chances! Read more ยป