I'm running these numbers rough. 38120's nominally operate at 3.3V. So 22 to 23 cells are needed for 72V nominal. Capacity is 9.8 Ah minimum each. So 9.8 Ah * 23 * 3.3V cells gives a capacity of 743.8 WH.Could I get 30-50 mile range on a 38120 pack at 72 volts. I would need over 23 cells, correct.