How the system works varies between EVs, but generally speaking the 12V battery is trickled charged by the main traction battery when the vehicle is in use, but is not charged when the vehicle is off ...

It seems ridiculous, but even electric vehicles, plug-in hybrids, and hybrids that carry big powerful high-voltage batteries also require a 12-volt battery. And certain usage patterns can end up ...

Few things are as frustrating as turning the key and hearing nothing but silence. Whether it’s a truck that’s been sitti ...

In this report, we’re testing Topdon’s new V4500 Plus jump-starter on a 12-volt battery that is beyond dead. The product test actually is a precursor to the formal reintroduction of “Project Black ...