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@tburrellsaward expensive, inefficient, most of them need rare earth materials, don't store much power... i mean, they've gotten a lot better for consumer devices, but you wouldn't want to run the whole country off batteries for a weekPermalink Look on archive.org
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@tburrellsaward the best way, as far as i can tell, to store electricity for later is to use it to pump water up a hill. but that requires water (there has been a drought) & hills (apparently people get upset when you turn areas of natural beauty into reservoirs)Look on archive.org