to get to a 52V #SuperCapacitor with 20 x 2.7V 3000F capacitors at 5.35 x 2.36 inches each, $30 each and $50 in balancing boards, like $750 maybe all in a case 24 x 5 x 6in and they're 3Wh/each so 60Wh, 3.6kW*minutes! 1kW for 3.6min, etc. the cargo #eBikes would zip but that's overkill for a personal bike. I have no idea what I'm doing or what it weighs.
Or is it more like four-to-eight of these 6 x 2.7V 500F deals for the car battery booster for $40 each, 2.6x1.5 x 9in each (48.6V for 3, 64.8V if 4) $160-$320, $400 for 2x46 = 64.8V 1000F wait now with capacitor calculator telling me that's 480 (at 59V) to 580Wh... 28.8kWminutes great scott half of that would be fine?
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