This comparetively low cost option keeps the light on when the sun is not shining. Based off of a solar power charge, it powers an axle that has what is basicallly a counterweight system that continues to supply power. Find out more about this concept at Gravity Battery can change the world, power through the night.
Gravity Battery Newest Power Source to #StopPollution
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- Written by M Allen
- Category: Free Energy
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