To get the best efficiency for my battery backup system I want to make sure that the backup battery is large enough to cope with at least twice the total amp hours required in my calculations. So, in ...

If you often lose power where you live, whether because of seasonal storms such as hurricanes or due to problems with the ...

The power just went out—again. As you dig around for candles and wonder whether your laptop is fully charged, you think, “I’m finally going to get a generator.” Let’s say you want a generator that can ...

Portable generators have become fairly common and their popularity will likely increase as extreme weather events become a more regular part of daily life. Anyone who lives in a suburban area often ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The power just went out—again. As you dig around for candles and wonder whether your laptop is fully ...