Portable solar generators offer a green solution for powering up during electrical outages or off-grid excursions. Find out how today’s top models fared in our hands-on tests.

This dual-fuel model is quiet and built to power sensitive devices and smart appliances. It’s also $1000, which makes it a ...

These models juice up your refrigerator, air conditioner, and other essentials during an emergency—no matter what.

Testing DC supplies can be done in many ways, from connecting an actual load like a motor, to using a dummy load in the manner of a big resistor. [Jasper Sikken] is opening up his smart tester for ...