Plain-jane bulbs are so yesterday. Smart lights are in, not only because they're one of the easiest ways to enter the world of smart home tech, but also because they're one of the most affordable.

Most homeowners will need between 15 and 22 solar panels to cover their electricity use, but the exact number depends on three main factors: how much power your household consumes, how much sunlight ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman is a writer focused on batteries and charging ...

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 ...

We may earn a commission from links on this page. Credit: René Ramos/Lifehacker/MirageC/Moment, Anton Zacon/iStock via Getty Images In Lifehacker’s series, “A ...

If you stop to think about it, it’s a marvel that we can harness energy from the sun. But we do, thanks to solar panels equipped with photovoltaic cells that convert sunlight to electricity. That’s no ...