Battery problems rarely arrive out of nowhere. Long before a car refuses to start or a phone dies at 20 percent, small changes in behavior reveal that the power source is struggling. I look for those ...

Lithium-ion batteries produce faint sounds as they charge, discharge, and degrade. But until now, nobody could interpret ...

Cold weather is particularly harmful to car batteries because it thickens the electrolyte solution, causing the battery's ...

Electric vehicles are supposed to be the low‑maintenance workhorses of the energy transition, yet a growing trail of recalls, ...

Sandia National Laboratories’ Genaro Quintana prepares a battery for testing in a vault at the Battery Abuse Testing Lab. Sandia’s research on detecting battery failures sooner in electric vehicles ...

One of the most widespread urban legends claims electric vehicles are not worth the money because their batteries will wear out, and a replacement is too expensive to make sense. However, a recent ...

Although studies showed that EV battery failures are rare, many Tesla Model 3 and Model Y owners complained that their car batteries died just outside the warranty ...

Ford is recalling more than 270,000 cars across the U.S. after customers reported battery failures that have affected functions including the steering and hazard lights. Models affected by the recall ...

While Chinese-made batteries may provide a lower upfront price for consumers in some instances, the shorter service life skews the economics significantly. A replacement battery pack from LG will cost ...

A car battery deteriorates in use and its life seldom exceeds four years. When new, its voltage may drop to only 2V while cranking the engine. As the battery ages, its internal impedance increases and ...

After clocking an incredible 273,310 miles as a rideshare driver, a Hyundai Ioniq 5 owner reports that his battery health ...

New Trailer Battery Manager gives fleets battery insights behind the fifth wheel.