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GravityLightâ„¢ is an innovative device that generates light from gravity.

It takes only 3 seconds to lift the weight that powers GravityLight creating 25 minutes of light on its descent.


Installation guide

Learn how to install the GravityLight and SatLights and download a digital copy of the User Guide.

Installation guide


Where can I buy a GravityLight? Can I sell/distribute it? How does it work? Can I be part of the user trial? How can I contribute?

Find the answers

The Journal

Hundreds of GravityLights are being tested in 25 countries around the world and you can find the first pictures here.

Field Trial Gallery

GravityLight's mission

to provide affordable, sustainable and reliable light, anytime, that enables people to break free from the economic, health and environmental hazards of kerosene lamps.

Thank you!

GravityLight has now filled the position for administrator and communications coordinator


GravityLight © 2012-2013 Deciwatt.
All rights reserved. Contact us.


Entypo pictograms by Daniel Bruce Google+