There’s no one-size-fits-all solution when it comes to batteries, especially those used in automotive applications. For electric vehicles, automakers use different chemistries, cell formats and pack ...

While the 80-20 rule provides a practical and effective approach to protecting your EV's battery longevity, it is still not comparable to the battery degradation that we commonly see with smaller ...

To help our members make a smart decision about replacing their car battery, Consumer Reports tests more than 100 individual car batteries in our lab every year. And not just once—in fact, we test ...