Keep your family safe in an emergency situation with a hand-crank flashlight that provides light without requiring batteries, ...

These days, we are highly dependent on our smartphones that cannot do anything without them. What if there is no power and your smartphone's battery dies? Of course, there are are power banks that can ...

Whether you’re an off-road enthusiast, a safety-conscious camper, or just someone living in a state with frequent power outages, you should have a portable charger, backup lantern, and emergency radio ...

In the April 4, 2024, issue of EDN, the design of a solar mains hybrid lamp (HL) was featured. The lamp receives power from both a solar panel and a mains power supply to turn on an array of LED lamps ...

The LittleSun is a solar-charged LED lamp design by Olafur Eliasson and Frederik Ottesen. It’s targeted at rural areas in developing nations where indoor light is typically provided by kerosene or ...

Although we have entered 2012 approximately 1.5 billion people around the globe remain without access to a stable or safe source of light. Commonly in some of the world's poorest regions, kerosene ...

Solar day lamps (SDL) are simple and cost-effective. A few examples of SDLs have been described in [1], [2] and [3]. An SDL without any energy storage element suffers from frequent changes in the ...