Tesla may be close to revealing batteries that leap ahead of their rivals in 4 big ways, experts say (TSLA)

· Tesla may be close to hitting benchmarks in battery cost, energy density, and lifespan, while also unveiling a cobalt-free cell design, Jeffries said in a note on Thursday.
· The electric-car maker may also become less reliant on Panasonic and CATL for battery-cell production, Jeffries said.
· Reuters reported in June that...