If you’ve ever sat through a power outage watching your phone battery tick down — or worse, found yourself off the grid with no way to call for help — then you already know how clutch a backup power ...

Here is the circuit of a compact hand powered generator that can awake little electronics by hand crank. This is a great vacation device that you can rely on to operate your small electronics. The ...

Between battery packs, solar chargers and even wood stoves that produce electricity, there are plenty of ways to power devices when in the wild. But there’s something reassuring about the ...

Learn how to make a simple hand-cranked power generator from scratch using basic materials like DC motors, a wooden base, an ...

The Genecon motor/generator is a motor or hand cranked DC generator that is used to drive another Genecon motor/generator and/or to light a series of LEDs. The Genecon motor/generators are fragile.

Although many multitools pack a ton of features, some of those features often take the form of tiny, near-useless tools. The VAK6 keeps things simple and functional with a knife, flashlight and pulse ...

A more than 120% increase in blackouts annually in the US in recent decades has left more and more Americans looking for a backup power supply when the grid goes down. The patented technology inside ...

Although it looks like a yo-yo, this portable generator from Potenco has been selected as the power source for the One Laptop Per Child (OLPC) project, and all you have to do is pull its cord for one ...

PORTSMOUTH, Va. (WAVY) — With severe winter weather on the way, power outages could be a possibility for some in the area ...

Add Yahoo as a preferred source to see more of our stories on Google. The Joyeky rechargeable hand crank lantern. Amazon If you’ve ever sat through a power outage watching your phone battery tick down ...