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 ...

You can save a little power in a lot of places. These solar gadgets cover household cooling, portable power, trickle charging ...

Many wondered if you could jumpstart the Cybertruck in case the battery depletes completely, given its 48-volt system. The owner's manual offers the answer to this question and many others, proving a ...

Last October, Tesla removed the ability to keep the 12-volt sockets powered when the vehicle was locked. The move was meant to improve phantom drain but caused a massive backlash. The EV maker is ...

Battery tools have a lot going for them. Unlike gas tools, they start instantly, are easier to maintain, and are generally less noisy and lighter weight, too. They’re also far more friendly to the ...

Tool brands have invested heavily in developing battery-powered lawn and outdoor equipment over the past decade, and it shows. In multiple categories, such as string trimmers and leaf blowers, battery ...