Is your smartphone’s battery draining faster than it used to back when you first unboxed it? Batteries — including rechargeable ones like those used in smartphones — chemically age over time. In other ...

Although the powertrains in hybrid and electric vehicles (EVs) require less maintenance than internal combustion engines, the high-voltage batteries that power their electric motors can fail ...

Module-level EV battery repair vs full pack replacement: differences in cost, safety, and OEM service strategies.

Tesla has tried to charge a Model S owner $22,500 for a battery pack replacement out of warranty, but a third-party shop was able to fix the issue for a fraction of that cost. As a Tesla owner, one of ...