2177 Gravity Batteries - Cheap, Easy, Robust And Awesome For Off Grid
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2102 Building Big Batteries For DIY Off Grid
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Gravity Energy Storage. Who's right and who's wrong?
10:28
2194 Hydrogen On Demand - Improvements And A Possible Conspiracy
12:26
Myth Busting! Can You Restore a Dead Car Battery With Welder? Let's Settle This!
21:51
An Old Microwave And What To Do With It - An Electromagnet And A Phone Charger
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2057 How To Make The Homemade Battery You May Have Been Waiting For
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Sodium Battery powers Inverter. But for how long will it run?
15:55