Rivian surprised everyone today by not only revealing the hotly-anticipated R2 SUV at a starting price of just $45,000, but also showing us another car, the R3, as well as a new battery cell that underpins both cars. The cell is called the 4695 due to its diameter of 46 millimeters and height of 95 millimeters. Its specs have yet to be detailed, but it's considerably larger than Tesla's 4680 cells, which could mean a lot.
