User-friendly electrical tools from Home Depot include non-contact voltage testers, digital GFCI receptacle testers, and ...

Donut Lab released a new test showing its solid-state EV battery retained 97.7% charge after 10 days, aiming to prove critics wrong who claimed it wasn’t a real battery.

The startup's third test evaluates whether its solid-state battery is actually a supercapacitor. Here's what the results say.

Basically, VTT hooked up Donut Lab’s to a battery tester and left it idle for 10 days, while measuring the voltage every 10 seconds. According to the results, the cell demonstrated high stability, ...

Abstract: For applications like 1500V PV inverter, the 650V GaN device can be utilized in the flying capacitor (FC) stage of an ANPC converter, offering efficiency and power density improvements. This ...

TRIESTE, Italy, Dec. 11, 2025 (GLOBE NEWSWIRE) -- The V-ACCESS project is dedicated to developing a next-generation Hybrid Energy Storage System (HESS) and combines: • SMES Technology: Superconducting ...

A capacitor is an essential component in many electrical and electronic circuits. It stores and releases electrical energy when needed, helping regulate voltage and maintain power stability. Over time ...

It Works: Electronics Repair Simulator lets you step into the shoes of an electronics technician and repair damaged devices: receivers, phones, speakers, and more. Solder, diagnose, replace components ...

With the StarTech.com USB-C Power Tester, you can easily look for charging problems in your setup. It’s a quick and easy way to ensure your devices are getting all the power they’re supposed to. I ...

When working on electrical projects around the home—whether that’s troubleshooting an issue with your HVAC system, repairing an appliance, or testing a car battery—a multimeter is essential. These ...