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 ...

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 ...

Do you need a generator? That all depends and only you can really answer that question. Does anyone in your household use a medical device requiring electricity? Without air conditioning, the elderly ...