"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." As we say in our guide to the best portable generators, the right time to buy one is before you need it.

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Facing a power outage without backup can be risky. The best portable generators transform these ...

In parts 1 through 3 I described the construction of the transformer we needed to generate the 10Amps AC. We still had to drive the transformer. Although I said I wasn’t going to discuss the complete ...

We tested 20 solar generators to find the most versatile devices that can provide emergency backup power and fuel off-grid activities. Three came out as the best.

When winter storms knock out the power, they rarely give much warning — and suddenly, everyday essentials like heat, lights, and phone chargers feel anything but optional. The best portable generators ...

Cyber Monday Inverter Generator Deals An inverter generator works differently than a conventional generator. Instead of generating AC power directly from the engine, an inverter generator first ...