The bigger battery boosted the real-world range by 50%, but does it make financial sense to go down this route? The owner of a 470,000-mile Tesla Model S swapped an upgraded battery into his EV. The ...

Panasonic, one of Tesla's most important battery cell suppliers, is working on a higher-density Li-ion battery cell that could offer up to a 25% capacity increase. The anode-free battery cells could ...

Anode-free technology could boost EV battery capacity Potential 90-mile increase in range of Tesla Model Y Panasonic also aims to reduce the amount of nickel required The Japanese company is working ...

Confused by kilowatts? Can’t tell an anode from a cathode? Here is a simple guide to the jargon likely to be tossed around at Tesla’s Battery Day on Sept. 22.