The Interstate Batteries 12V 35AH Sealed Lead Acid AGM Deep Cycle Battery is our choice for the best deep cycle battery under $150 as a result of its easy installation, high cycle rating, and compact ...

Most modern cars offer at least two ways to charge up a smartphone, in the form of a 12V lighter socket and a USB port. The latter could be more convenient for many, as it uses the same cable you ...

This test looks at inflators powered by a 12V socket. They may be a touch bulkier and more fiddly to use (with the cable dragging around the car) than cordless versions, but they’re generally ...

However, it can be used with either the 12V plug or the crocodile-clip connections, and the USB socket worked with both phones. On initial power up, the fan was silent and cut in at various ...