Batteries aren't one-size-fits-all, and neither is the way they're wired to your house. Here's what you should know about AC- and DC-coupling. When we think about solar panels and batteries, we don't ...

It's a green-energy geek's dream do-it-yourself project: attach a few solar panels to your deck and watch your electric bills go down. Now one company is selling such a product. SpinRay Energy has ...

Electricity is a crucial part of daily life. We rely on it to power appliances, and many use electricity to heat their homes and cook food. You can't even search the internet or play video games ...