A dead battery in your digital calipers usually means a trip to the store for a new button cell. Not for [Trevor]. His hack substitutes a super capacitor, guaranteeing you’ll never need to ...

Left: sub £1 plastic Vernier caliper, centre: Mitutoyo 530-122 Vernier caliper, right: cheap digital caliper. I’ve amassed a selection of both for comparison. In the caliper corner are a very ...

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 ...

I’ll be the first one to admit to not practicing the best battery habits, especially where my laptop is concerned. Most days I leave my laptop plugged in for far too long, which can deteriorate ...

These calipers are commonly found in non-graduated versions; although units with graduated, dial, or digital displays are available. The display on calipers can be non-graduated meaning that the ...

You bought the best laptop, but the more you use it for gaming or everyday productivity, the more you might be wondering about battery life. That's because batteries don't always hold their full ...

A digital battery passport provides easy access to structured, reliable, and complete information about the battery. This fresh initiative in the U.S. lithium battery landscape aims to simplify ...

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 ...

Battery stocks haven't fared well for much of 2024, but a big rally has put them back in the spotlight. The Global X Lithium & Battery Tech ETF (ticker: LIT) gained more than 20% in September. The ...

It has a built-in plug that folds up for easy storage, and colorful lights that clearly indicate when each battery is dead (red), half-full (yellow), or fully charged (green). This is the charger ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

We loved our time with the Ring Battery Pro model at Digital Trends. Reviewer Jon Bitner gave it four and a half stars praising its crisp video resolution, easily removable battery, and versatile ...