It’s a project called snapVCC, and it turns a 9 volt battery into a regulated 3.3 or 5 volt supply. The idea behind snapVCC is simple enough; just add a circuit board to the top of a nine volt ...

The whole circuit is built on top of a battery clip so it can be run straight from the top of a standard 9 volt battery. It’s a circuit you’ll find all over the place, even built into many ...

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 ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy ...

During Amazon' Prime Day sale, you can save money on cordless power tools, batteries, and corded bench tools for DIY, ...

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’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 ...

The unit turned off the lights at 9%. It would allow me to ... even allowing you to provide 240-volt service by linking a second unit. There are also battery expansions for the Mango Power E.

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 ...

Oct 9 (Reuters) - Swedish battery maker Northvolt said on Wednesday the head of its main plant would step down with immediate effect in the latest reorganisation of the cash-strapped group as it ...

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 ...

The Cybertruck is Tesla's first passenger EV that uses an 800-volt battery pack ... with our own Mack Hogan observing a maximum speed of 206 kW and an average session speed of 118 kW.