How to make a emergency battery charger ...

A new study from the University of Chicago taps an ingredient most often used in the lithium-ion batteries that power our ...

My IRL review of Poplight's rechargeable, no-tools-necessary wall sconce: this is one viral product with some serious staying ...

One of the most requested features for the iPhone is the ability to see how long it will take to reach full charge. With the ...

His delivery schedule wasn't going to wait for a tow truck. Neither was he.

Nintendo is working on a new Switch 2 revision to comply with European Union rules around the ability for owners to replace ...

I’m PCMag’s managing editor for consumer electronics content, overseeing an experienced team of reviewers and product testers. I’ve been covering tech for 25 years. Prior to PCMag, I worked at outlets ...

However, you can recreate the effect anywhere with just your smartphone and good lighting. There are two main components to a ...

Fifteen years ago, when modern electric vehicles were just hitting the road, no one knew exactly what to expect from their giant, expensive lithium-ion batteries. As batteries age, they hold less and ...

A solar power system converts sunlight into stored electricity through three core components working in sequence: the solar panel generates DC electricity, the charge controller regulates that ...

The battery won't power cars as the famous inventor intended, but it's still got a lot of potential. Reading time 3 minutes Great minds often think ahead of their time. This was certainly true for ...

Multifunction devices are great…as long as you can find uses for all (or at least some) of those additional functions that you end up paying for, that is. All other factors being equal (or at least ...