this post was submitted on 27 Aug 2023
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Direct Solar Power: Off-Grid Without Batteries | How we can minimize expensive, ecologically damaging battery storage by changing how we think about energy (solar.lowtechmagazine.com)
submitted 2 years ago by [email protected] to c/[email protected]
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[–] [email protected] 4 points 2 years ago

Many battery tech are dead simple. It is a rolled layer of specific materials at precise thickness but really not rocket science, especially when you are not concerned about per kg efficiency. Flywheels are much more complicated, requiring well maintained mechanics, a motor and a dynamo.