gravitylight.org
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About company
GravityLight is a non-profit product development organisation that designs and creates clean, off-grid energy solutions. It takes only 3 seconds to lift the weight that powers GravityLight, creating 25 minutes of light on its descent. With no need for batteries or the sun, it can be used anytime; over and over again with no running costs. GravityLight was launched in 2014 and is based in London, United Kingdom.
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