Remember Duracell’s PowerCheck? The idea was that a strip built into the battery would show if the battery was good or not. Sure, you could always get a meter or a dedicated battery tester ...

A battery tester can serve this exact purpose. Battery testers come in various shapes and sizes and can be used for different types of batteries. However, when it comes to small batteries ...

Testing your battery regularly will prevent a dead battery from ruining your day. There’s only one way to answer the q ...

So they did some research and purchased a Fluke certification tester for a measly 12,000 US dollars. While they were purchasing the device, they ran across an interesting tidbit in the fluke ...

When not corrected in time, power quality issues can cause outages that take down the whole plant. The costs of downtime can be devastating in terms of lost productivity, wasted resources, and ...

Rechargeable lithium-ion batteries don’t last forever. Over time, they hold onto less charge, eventually transforming from power sources to bricks. One reason: hidden, leaky hydrogen ...

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 ...

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 ...

What is the best solar battery overall? We've evaluated many solar batteries over the course of the year, and the Bluetti EP900 Home Battery Backup is CNET's pick for the best solar battery ...

What our tester says: I really liked how smoothly this ... We took it outside and ran it through a battery of tests, including mud, grease, de-icing salts, and rubbed-in sand.

Alkaline batteries are known for longer endurance and long periods of use. Here are the best options from Amazon, Energizer and Duracell. Laboratory Technical Project Manager Gianmarco Chumbe has ...