Estimates range between 800 kWh to 1 MWh of battery. From tesla web site: "With less than 2 kWh per mile of energy consumption, Semi can travel up to 500 miles

Estimates range between 800 kWh to 1 MWh of battery. From tesla web site: "With less than 2 kWh per mile of energy consumption, Semi can travel up to 500 miles on a single charge"