Tesla Model 3 Teardown: The Battery Pack
Advantages: • According to Elon Musk, it''s "the highest energy density cell in the world, and also the cheapest.". The 2170 cell is around 50% larger by volume than the 18650, but it can deliver almost double the current (the 18650 delivers 3,000 mA, and the 2170 has been tested at 5,750-6,000 mA).