Testing The Power Of Supercapacitors

In this video, we are going to examine supercapacitors. How much energy do supercapacitors have?
We want to do some simple tests. And finally, let's check whether supercapacitors can be used as Arduino power storage or not?
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[@deslomeslager]

If you put 2 in supercaps series (although the package already has some of the same capacitance in series), it is wise to match the same value of capacitance. Otherwise you end up charging the capacitors with the lowest capacitance negative. Which will shorten their live dramatically. From an endless live to (almost) one-time use.
I charge my phone every day (using an USB 12-24 V car adapter)) by charging up supercaps with my electric bike. The caps still have the same capacitance. (ps: I have to peddle on the electric bike to generate power, the motor is used as a generator). This way I keep my phone between 20 and 80% charge for a prolonged life of the (non replaceable) battery.

[@maninhow03]

still don't know how much energy does a supercapacitor store.

[@Tirael2012]

no calculations, no watts, no graphics. think yourself, hah