Common sense & conventional wisdom > HPI manual. Everyone who's owned or read about the MMM system, or any BL system for that matter knows that you can never have too much battery power ( in terms of C rating & mah capacity/ discharge capability ). 120 amps as a minimum, the more the merrier- some people are really making me doubt their suitability to own a BL model if they are stressing or confused by these simple issues....
