It’s one of those “Why didn’t I get this sooner?” products that’s easy to stash in your car, backpack or emergency kit.

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 ...

If you find your mobile devices run low on battery power, making you dashing to the nearest power outlet, you may be interested in a new portable hand crank charger that has been designed by Valentin ...

This Solar and Hand Crank Radio with Phone Charger and Flashlight is only $19.99 with this deal at Amazon right now! These are great during power outages and they pick up AM/FM/NOAA Weather Band ...

Discover how to make a hand-crank phone charger using repurposed electronics and household materials. This DIY project walks you through the step-by-step process of converting a geared motor into a ...

Hand-crank generators are, well, handy. It's always a good idea to keep a backup battery on hand when you're traveling, in case you need to make an emergency call—but if you're in a place without a ...

A manual mobile phone charger will allow users to make calls even if the battery has run flat. The clockwork charger consists of a small hand crank attached to a dynamo. Turning the crank generates ...

Learn how to create a homemade hand-powered phone charger using repurposed materials like an old DVD and a small motor. This DIY project showcases the principles of electromagnetic induction, using ...

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 ...