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 ...

Our editor-tested and researched portable and whole-home options keep appliances and other essentials running during an ...

Home standby generators from companies like Champion, Generac, and Kohler are pricey, but they provide immediate backup power ...

It's about time to prepare for summer by selecting a home battery or generator that can make sure your air conditioning stays up and running. Batteries and generators provide the same basic service, ...

"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 ...