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Stephen Fyfe Supercap circuit - COP = 2.5 ?

Started by hartiberlin, January 30, 2018, 03:40:10 PM

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hartiberlin

#15
February 13, 2018, 07:59:22 AM
A first test of mine:
https://youtu.be/Vu1-06t_Z4g

More to come...
Stefan Hartmann, Moderator of the overunity.com forum

hartiberlin

#16
February 13, 2018, 09:48:29 AM
By the way, the LED panel must be a 3 to 5 Volts type, not a 12 Volts type as indicated in the first post of this thread in the circuit diagram...

I have just used 12 red LEDs in parallel, which have a threshold voltage of about 1.75 Volts in series with a 10 Ohm resistor.
But I will order these 3 to 5 Volts white LED panels also. Have already got a few with only 12 Volts, but may rewire them... or just order+
new ones....
The circuit is probably not overunity, but makes a good long lasting nightlight...
anyway, also have to condition the supercaps a bit more with some pulser circuit, so they will hold the charges better....

Also I need to know this:

Well I just looked up the new 700 Farad supercaps that ship on Ebay from China:
https://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&toolid=11800&pub=5574900467&campid=5338252487&mpre=https%3A%2F%2Fwww.ebay.com%2Fitm%2F1pcs-2-5V-700F-Automobile-Super-Farad-Capacitance-NEW-K9%2F222311831925%3Fepid%3D625469978%26hash%3Ditem33c2d15975%3Ag%3AlwcAAOSwcUBYJZYN

and there was stated in the offer:
"Note: Please charge to 16V then discharge to 2-4V and recharge again before DIY, and to do this for about 6-10 times,then connect it to the battery in parallel directly. Do not use battery to charge directly. Capacitance 0V connects to the battery directly,the current will be easier to produce spark. Please charge to 10-13V,10-40A with an ordinary battery charger. "

So does this mean this supercap must be first somehow conditioned or burned in ? Or isn´t just 16 Volts killing it and evaporate the electrolyte ?? Has somebody any view about it, cause I just ordered 2 pieces and don´t want to blow them up... Many thanks. Regards, Stefan.
Stefan Hartmann, Moderator of the overunity.com forum

e2matrix

#17
February 13, 2018, 02:13:31 PM
That doesn't make any sense to charge them to 16 volts unless they are something very different for normal supercaps.  I would write to that seller and ask for an explanation or get in touch with the manufacturer.  Maybe the seller just wants to increase sales when your caps burn out in a short while - LOL.   
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