In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...

Your power banks's capacity won’t neatly map onto your charging needs, but finding the right size doesn’t have to be ...

Apple's battery guide describes lithium-ion batteries as "consumable components" that naturally lose capacity over time. To ...

We break down average solar panel output in the UK, how it varies across regions and seasons, and what it means for your ...

This 67W three-port charger delivers dual USB-C and USB-A fast charging for all devices, and it selling for nothing.

If you’re considering installing solar panels at home, you’ve likely come across solar batteries, which are large lithium-ion packs that store excess power for when the sun isn’t shining. Using the ...

Energy Minister Chris Bowen is promising there is “no catch” for customers who sign up to get three hours of free power under ...

Major battery breakthroughs seemingly happen every day, but only some of that tech ever leaves the lab. WIRED breaks down ...

I don’t know how or when it happened, but I have become obsessed with tracking my health data. Formerly, I would toss and ...

This video tests the Dodge Charger Hellcat SRT on a dynamometer to measure its true power output. It showcases the process of strapping down the car, running the dyno pulls, and analyzing the ...

If you have an iPhone running iOS 26, you may have noticed that it now reports the estimated time to finish charging to 80% on the lock screen. If you are not using a fast charger, though, it will not ...