Whether you're dealing with a dead battery on a cold morning or just trying to maintain your car during long periods of no driving, knowing how to properly charge a car battery is important. A ...

An electric vehicle’s largest, most important and most expensive component is its high-voltage battery pack. Many newer bespoke EVs are built around their battery pack, and some have even incorporated ...

This report is a follow-up to our how-to tech article on updating the dual-battery system in a 1995 Ford F-350 crew-cab dually. For any car or truck with a 12-volt charging system (for operating its ...

Rivian recently faced a flurry of dying 12-volt batteries on its vehicles, last time because of a botched software update. This must have caused the EV startup a lot of money because it decided to ...

Rivian owners have designed an adapter kit to replace the proprietary 12-volt lead-acid batteries in their vehicles with cheaper, off-the-shelf parts. A complementary solution could also allow keeping ...