For anyone with an older car who relies on 12V outlets to power their devices, these handy gadgets promise useful upgrades without breaking the bank.

In the past, it was rarely used for anything other than powering the onboard cigarette lighter; today, it’s an indispensable source of power for countless electronics, including our smartphones.

But not in the US. Anything like that here? I could use a switchable socket like that for a closet to avoid having digging into the closet to plug/unplug an appliance. ...or a switchable adapter for a ...

The mophie powerstation pro AC includes a three-prong power socket, making this external battery right for anyone who has a range of devices they need to charge on the go, not just phones and tablets.

Sarah Mitroff has worn many hats at CNET, including Senior Mobile Editor and Managing Editor of Health and Wellness. Currently, she is a freelance editor. Throughout her career, she's written about ...