RE: mini v battery
you mite wont to redo your math 7.2v is 6 cell 6v is 5 cells and the dynamaite pake has the same hpi connecter as the mini-v but i wouldnt wast my money on the dynamite or the proboat packs by the way are the same pack there both made by horizon hobbys . i would go with a lipo 2 cell