CR's experts pick the best portable solar panels and battery chargers to power devices like phones and laptops, plus back-up batteries and power stations.

Surprisingly, it's possible to charge solar lights indoors. I spoke to electrical experts about how to charge solar lights without sun ...

It was once unimaginable to power your home by sunshine. Now, not only can solar energy keep your car charged and your AC or ...

Learn how to size charge controllers, inverters, and solar panels already on hand with a goal of future expansion.

Not all solar installations have batteries. But batteries can increase solar’s usefulness on the power grid by saving energy to release when it's needed.

A home battery will ensure you don't lose power during outages, but it has a limited capacity. Is it worth the investment? Here's everything you need to know.