For anyone with an older car who relies on 12V outlets to power their devices, these handy gadgets promise useful upgrades ...

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 ...

Your car’s 12-volt outlet can charge a phone. But running large appliances, lighting up a campsite, or charging multiple devices takes serious portable battery power. Such a setup rarely comes cheap; ...