Explore how a basic LED can be used as a tiny solar cell, generating measurable voltage under sunlight. This hands-on ...

Learn how to create a simple DIY electrical generator using a few easy-to-find materials. This step-by-step video guides you ...

If your battery is dying on you, the cause might be what's known as parasitic drain. Here's what it is, how it happens, and ...

Webtec is launching the third generation of its portable Digital Hydraulic Multimeter (DHM). Offering quick and convenient ...

This simple tools allows you to troubleshoot nearly any RV or camper problem, potentially saving you a lot of time, hassle, and money in replacement parts.

Every car needs a battery to help it start and power its electronics. Here's how many volts this all-important component ...

The Neoteck 3-in-1 pen multimeter is a great choice for DIYers and amateur tinkerers, especially at its price.

Despite their limited use for testing wall chargers and power banks, USB inline testers let you compare power sources. In three videos, we take you through their features, and we also try an inline ...

Replacing appliances in your home, your water heater, can be costly. Here's how you can prolong the life of your water heater ...

Parasitic drains can be extremely annoying, but they're not impossible to identify. Here are some ways to find a parasitic drain in your car.

While electric vehicles are stealing the headlines these days, many drivers don't realize how important electrical systems ...

Corin Cesaric is a Flex Editor at CNET. She received her bachelor's degree in journalism from the University of Missouri-Columbia. Before joining CNET, she covered crime at People Magazine and ...