This 10-second headlight test reveals battery health by checking if lights dim during startup, helping predict failures before you get stranded.

To help our members make a smart decision about replacing their car battery, Consumer Reports tests more than 100 individual ...

The study found that an impressive 8 out of 10 of the used EVs tested retained over 90% of their original battery capacity.

Changing a car battery can be done in just a few steps. Always test the car battery before replacing and be sure to properly dispose of the dead battery.

Your car’s battery might seem like a “set it and forget it” part, but when it fails, it can leave you stranded, potentially costing you hundreds of dollars in tow fees or a visit to the mechanic to ...

A data analysis by ADAC on battery condition shows good durability, but differences between manufacturers. Used car buyers should insist on a test.

To prove that, Mercedes-Benz crashed an eActros 600 truck on purpose, simulating a car ramming into one side of the electric ...

Can a small Massachusetts start-up perfect a battery that would make electric vehicles cheaper and more convenient than conventional cars? Can a small Massachusetts start-up perfect a battery that ...