Is your car battery more than 3 years old? It could be on the verge of dying, and you might not even realize it. Keep a closer eye on how much life it has left by purchasing one of the many car ...

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 ...

Unlike many units, this battery charger continuously charges at maximum current, tapering off only near full battery voltage. In this unit, the full load current of the supply transformer/rectifier ...

The old-fashioned 12-volt lead acid battery hasn't changed much since the mid-1950s. Now it's getting a makeover to handle a host of new responsibilities in electrified, automated and software-defined ...

A Tesla trapped a toddler inside due to a dead 12-volt battery this week, requiring Arizona firefighters to come save the child's life. The incident happened in Scottsdale, Arizona, where temperatures ...

Rivian has yet another 12-volt battery issue, this time on the Gen 2 R1S and R1T vehicles. Owners report that an aluminum bracket holding the battery in place corrodes after only a few months, ...

Modern electric vehicles are packed with incredible technology, from flush-mounted electronic door handles to app-controlled remote entry. But when the ...

Without a working car battery, you're unlikely to get very far. It's worth knowing the lifespan of a typical battery so you're not caught dead on the roadside.