The third problem I started facing on my new Dell laptop was that now and then, despite using the AC power adapter or charger which came along with the ultrabook, I frequently got to see this message ...

Editor's Note: Here's another take on the transformerless AC line power supply, which finds use in some well-insulated, low-power devices. Our technical reviewer pointed out that C ac should be an ...

When you need more power than your car's USB ports can offer, a DC-to-AC power inverter may be able to provide enough juice for gadgets and appliances. Antuan started out in the automotive industry ...

AC/DC power supply manufacturers have focused their latest designs on meeting the increased demand for higher efficiency and miniaturization in industrial and medical systems. A few of them are also ...

The RavPower Power Bank is an expensive piece of technology, but is well worth it for those who require a portable AC charger. Why you can trust TechRadar We spend hours testing every product or ...

The battery as we know it today was an invention of Italian chemist and physicist Alessandro Volta. He witnessed electricity splitting water into its constituent elements of oxygen and hydrogen and ...