When you think about harnessing the power of solar energy for your home, the cost point of solar panels may be intimidating. But, what about a low-cost way to use solar power? With solar powered ...

For a household in Ghana without electricity, a tiny solar panel paired with a battery that provides indoor lighting and charges mobile phones can save the equivalent of $70 per year, exceeding the ...

Solar lights absorb the sun’s energy during the day and store it in a battery that can generate light once darkness falls. Like solar panels used to generate electricity, solar lights use photovoltaic ...