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Any disadvantage in using a capacitor pack to replace a battery? Answered

After I watched this video I wondered if there is any disadvantage in replacing batteries with a pack of capacitors.

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liquidhandwashBest Answer (author)2013-04-02

thats an interesting video, they are Maxwell 2600f 2.5 volt caps but good luck getting them for $6

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blkhawk (author)liquidhandwash2013-04-03

In his web page the author says that he got them at a clearance sale from Electronics Goldmine

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steveastrouk (author)2013-04-02

So he has 1/2 C V^2 Joules in them. 0.5 x 433 x 144=31200 Joules.
A car battery of 100Ah (not unreasonable) holds 12*100*3600=4320000 Joules. Or 138 x more energy

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iceng (author)steveastrouk2013-04-02

Easy starting car.
Also explains the quick charging of the pack.

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steveastrouk (author)iceng2013-04-03

I was amazed how small the batteries in US cars are these days.

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steveastrouk (author)2013-04-02

Does he say how many Farads he has ?

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blkhawk (author)steveastrouk2013-04-02

3000 farads each according to the author's blog

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