Add Yahoo as a preferred source to see more of our stories on Google. Rooftop solar and home batteries are way more expensive in the U.S. than in most countries, largely due to slow and burdensome ...

Solar power has an efficiency problem. When the electrons move from the solar panel to the battery that stores them, about 20 percent of the energy is lost. But now, thanks to new type of solar cell, ...

Solar panel battery storage: what are solar batteries and how do they work at home? - Solar batteries let you store excess ...

Home batteries have never been cheap, with most costing thousands (if not tens of thousands) of dollars. A recent report from EnergySage reveals that battery prices have hit a record low. EnergySage ...

"Perfect for renters or anyone on a budget!" Surprisingly cheap plug-and-play solar panels may soon take over US markets: 'No ...

I lack the patience to wait around for the sun to charge my gadgets, but for $14 Nokero’s single AA solar charger looks like the easiest way to ensure you’ve always got a backup battery ready for ...

Lithium-ion batteries have taken up permanent residence in our homes for years now. They're hidden in your phone and laptop, but they might also lurk in your electric toothbrush or your bike. Even ...

Australia’s love affair with home-grown renewable energy is driving booming battery sales, and it’s reshaping the electricity grid.