The easiest way of making a solar fan is to connect the solar PV panel to a DC fan of a matching voltage and power rating. This simple arrangement does work, but has few serious drawbacks: The system ...

Lawal Sheriff Olakunle with his solar fan. Living in Lagos, 33-year-old Lawal Sheriff Olakunle is used to electricity shortages. He considers 10–15 hours of electricity a day to be stable power. But ...

When you need a powered fan to remove damp air in a remote attic area, to cool you off when sitting outside, or in another area where electrical outlets are not readily available, a solar fan is an ...

Chinese researchers have unveiled a solar “battery” that does not just generate electricity, it stores it directly, reaching ...

There are a variety of situations where you want to cool off an area that doesn't have an electrical outlet nearby, like a shed or greenhouse, or a space that's tough to access, like an attic. You can ...

What is the best solar battery overall? With longer days and Earth Day around the corner, spring is a great time to rethink how your home uses energy. If your solar panels are soaking up more sunlight ...

Beat the heat with solar or rechargeable fans. Discover the best options for eco-friendly, cost-effective cooling in Nigeria. I’ve found myself wishing for a solar fan every time my rechargeable fan ...

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As electricity costs continue to rise, solar panels are a smart way to tap into efficient and clean energy from the sun. A recent CNET survey found that 78% of US adults are worried about rising home ...

Chauncey grew up on a farm in rural northern California. At 18 he ran away and saw the world with a backpack and a credit card, discovering that the true value of any point or mile is the experience ...

The best solar generator pairs a large-capacity rechargeable power station — a big battery, at heart — with a set of portable solar panels, making for a versatile device that can provide backup power ...

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 dollars, while premium systems can exceed $30,000 ...