A handful of readers report an issue where the MacBook Pro either goes to sleep or shuts off completely when disconnected from external power, despite the presence of a full battery charge. This seems ...

Ford’s latest safety campaign adds hundreds of thousands of vehicles to a growing list of models flagged for battery-related problems that can abruptly cut power or trigger other electrical failures.

Most drivers expect their car to start without hesitation, but the battery behind that reliability does not last forever. On average, a standard car battery lasts about three to five years, while ...

For the most part, it’s simple. Your car or truck has a battery, it supplies electricity to the bits that need it, and that’s all you care about. Until something goes wrong or you want to do something ...