Q: I plan to install a backup generator for power outages. How do I determine what size I need? Would it make economic sense to just use one all the time? A: Smaller portable or large whole-house ...

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 ...

Solar panels can only generate electricity; they can’t store it, so you must pair them with a stand-alone battery bank or a power station. For home emergency power (for a few hours of power), we ...

If you often lose power where you live, whether because of seasonal storms such as hurricanes or due to problems with the electrical grid, having a whole-house generator can be very convenient. It ...