#18650

Tesla Motors has used exclusively Panasonic lithium ion battery cells since it started selling electric cars. 2010 photo.

Panasonic Corp., which already is the largest supplier of lithium ion batteries for the electric car industry, has announced that it has signed a new contract with Tesla to supply battery cells for the Model S and upcoming Model X electric vehicles. The Japanese company will supply 2 billion 18650 form factor lithium-ion cells worth up to $7 billion over the next four years. Panasonic has been Tesla’s exclusive supplier of battery cells since it started selling its first EV, the Tesla Roadster.