Tesla doesn't make the batteries, Panasonic, Samsung and Hitachi does. IIRC, Panasonic is the firm building batteries at Tesla's new gigafactory facility. Tes

Tesla doesn't make the batteries, Panasonic, Samsung and Hitachi does. IIRC, Panasonic is the firm building batteries at Tesla's new gigafactory facility. Tesla simply slaps their name on the battery packs.