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 ...

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 ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? There are several ways that your portable tire inflator gets its power: sources are ...