Tesla unveiled its new at-home battery, Powerwall 2, in October. Here's how it works at providing backup power.

In 2020, Tesla CEO Elon Musk promised to completely rework his processes and release a cheap electric vehicle for the masses. That sent rivals scurrying, especially to keep up with his vow to stop ...

During Tesla's long-awaited Battery Day, CEO Elon Musk showcased a number of new technologies the automaker is working on, but as expected all seem to be somewhat far on the horizon. One of the ...

A battery is as important to an EV as an engine is to an ICE car, making the Tesla battery warranty an important facet of the popular electric vehicles.

Tesla's 4680 battery cell has been beset by low production yield and delays in volume manufacturing. It promises a revolution in cost and capacity, but when will it arrive?