GravityLight Portable Self-Powered LED Lamp
The GravityLight might be the coolest little illuminator I've seen since the SmartCharge light bulb. But while both will be there for you when the power goes out, The GravityLight ups its handiness with its go-anywhere, battery- and outlet-free, self-powering nature.
Well, not entirely self-powering - the GravityLight's LED lamps do get some help from a certain hero of physical forces.
Hang a GravityLight anywhere you like, and particularly anywhere you like that has no access to electricity. Then fill its included bag with up to 26 pounds of weight, and pull the cord to winch the bag up. As gravity takes over and the bag starts to drop, it's as if the command has come above: Let there be light! The bag's descent produces around 20 minutes of self-generated light. Up to 15 lumens with no plug-ins, no batteries, and and pre-charging required.
GravityLight designers originally built the light as a means of providing developing areas without electricity a clean, safe alternative to kerosene lamps. Each consumer purchase of a GravityLight continues to support the GravityLight Foundation's mission.
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