Friday’s featured deals of the day include so many great offers, like $119 off Apple’s previous-generation iPad mini now that ...

Our rigorous testing gives a fuller, all-round picture of every battery's performance. We measure their longevity when they're powering high-drain devices, test their capacity and how it changes after ...

I’m one of the consumer PC experts at PCMag, with a particular love for PC gaming. I've played games on my computer for as long as I can remember, which eventually (as it does for many) led me ...

For the last of these, an additional bonus is that flashguns tend to recycle much faster running on rechargeable NiMH batteries compared with disposable alkaline cells – typically in less than half ...

Based around the SAMD21G18A microcontroller, it’s designed to run on a single AA battery, which should last for anywhere from 10-17 hours. It communicates via a Si4063 transmitter set up to ...

Here’s how it works. When you're searching for the best laptops for battery life in your price range, you can't count on manufacturer claims about battery life: you need real data. That's why we ...

Remember to consider whether having a lighter, thinner laptop or a touchscreen laptop with a good battery life will be important to you in the future. Size is primarily determined by the screen ...

Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...

Solar panels don’t always generate the most electricity when you want to use it. You can send excess electricity back to the National Grid, and use mains ...

The best rechargeable AA batteries are an essential for many photographers ... most flashguns tend to recycle faster when using rechargeable NiMH batteries than with regular alkaline cells. We've ...