flywheels are batteries, of a different kind (and density) than lithium or lead ... | Hacker News

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		GeoAtreides 4 months ago \| parent \| context \| favorite \| on: Widespread power outage in Spain and Portugal flywheels are batteries, of a different kind (and density) than lithium or lead ones.

loeg 4 months ago | [–]

You know what he meant. Respond to the charitable interpretation of the comment, etc.

vel0city 4 months ago | [–]

They're usually almost more capacitators than they are batteries from an electrical standpoint. They're there to rapidly smooth out the smaller jitters.

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