When the modern electric vehicle was still in its infancy, drivers worried that vehicles would need expensive battery replacements within a few years. But battery lifespans are exceeding expectations.

I found these six Android settings toggles that actually save battery life. The display panel of your phone has the highest ...

Abstract: The use of storage batteries helps to reduce peak load and improve microgrid economics. Its safe and steady operation is critical for the microgrid’s proper dispatching of distributed power ...

Unveiled at MWC 2026, the Xiaomi Watch 5 brings EMG-powered gestures, a premium sapphire build, and up to 6 days of battery life.

Abstract: This paper presents the structure and principle of operation of a prototype low-power energy-harvesting circuit (with efficiency higher than 50 %) intended for AC-to-DC conversion, where the ...

California needs a smarter, more flexible power grid — and EVs are actually one of the most powerful tools we have to ...

The Oura Ring is a smart device that uses high-tech sensors to track health metrics such as sleep, heart rate, activity, body temperature and stress. I tested it out for 6 weeks.

A relatively inexpensive device could save your life. Consumer Reports recently tested CO detectors you can travel with.

The design of the average smoke alarm has stayed largely the same for many years, but with the advent of smart home tech, new ...