Hacker Master Car Sport (Should I get it?)

if I remember, the master car SPORT was 12cells w/ bec, and 16cells (or 18, don't remember) opto. I ran 16 cells in my rustler and tc3 w/ the master car sport. so far, the master car sport, and bk warrior 9018's (before they had the 9918's)(i had two), are the only controllers i've used w/ out a single problem..
the master car COMP, was 12cells max.