Add Yahoo as a preferred source to see more of our stories on Google. As we say in our guide to the best portable generators, the right time to buy one is before you need it. In other words, don’t ...

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 ...

Is Your Generator Too Loud? Here’s How You Can Measure Decibels and Reduce the Noise.

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 ...

A Revolutionary 98% Efficient Solar-Powered Battery System to Deliver Clean, Affordable, and Reliable AC Electricity. For the first time in history, AC can be generated directly using DC batteries ...