PALO ALTO, U.S. -- Tesla has revealed a new battery to boost electric cars' power and range, saying the units will help to drive vehicle costs down to $25,000 within a few years.
EV maker says it will still buy 'more not less' from Panasonic and other suppliers

Tesla unveiled a new battery that will significantly improve electric cars’ power and range at its annual Battery Day event on Tuesday. © Reuters
PALO ALTO, U.S. -- Tesla has revealed a new battery to boost electric cars' power and range, saying the units will help to drive vehicle costs down to $25,000 within a few years.