Lunar Energy, a home battery backup company that came out of stealth last year, is revealing its first product called the Lunar System. It’s an all-in-one hybrid inverter, expandable battery backup ...

Toyota has patented a system to manage heat in solar-powered EV charging hardware, aiming to improve durability and efficiency. The design reduces output from the hottest power converters instead of ...

Switch to solar with a system built for you. Adding an energy storage battery to a residential solar panel system typically costs $7,000 to $18,000. Some smaller batteries cost just a few hundred ...

Many homeowners are surprised to learn that most solar systems stop working during an outage — even on sunny days. That’s why many people add a backup generator (or solar batteries) to make sure their ...