Tesla Battery Day event: what to expect from Elon Musk’s latest big announcement
7:04am PDT - September 21st, 2020 september - The VergeTesla’s Battery Day is September 22nd, and CEO Elon Musk is expected to unveil “many exciting things.” That could include Tesla making its own “million mile” batteries and bringing down the price of its electric cars so they cost the same as combustion engine…