How many batteries, motors were needed to get this Tesla to 2 million kilometres

AutoExec Summary
Hansjörg von Gemmingen-Hornberg of Germany has reached 2 million kilometres in his 2014 Tesla Model S, making it the world’s highest-mileage Tesla. He has taken the car on long-distance trips, including to China and Africa, and has gone through four batteries and 13 electric motors. He charges at home with solar panels and uses Tesla’s Supercharger network for travel, which he gets for free due to his Model S being sold with lifetime free Supercharging.

Brands mentioned: Tesla