2 cell is best even though traxxas says it can handle a 3 cell. . it 3 cells thats puts alot more stress on the entire rc. put it this way 3500kv x 2 cell. thats 8,0 x 3500 kv.. and same with 3 cell 12 x 3500kv .. I have a few rc that I push to there limits but they have many upgrades and are...