Super Capacitor Amp-Hours?

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today i test the AH rating of my 2.7v 400F capacitors. they only cost 5$ each from china so am tempted to buy more.

they have proven to have much more capacity than i expected. when i got them in July i just played with them and set them on the shelf and forgot about them, i originally bought them to build a spot welder to put tabs onto 18650 cells.

song is from Vectorman for Sega Genesis
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