Supercapacitor backup power supply circuits

Supercapacitors can be used to store energy for later use. This page will focus on circuits that use supercapacitors that are kept charged by the power source until the power goes out, and then provides temporary backup power to the load that it is desired to keep on

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Videos and diagram:

Introduction to 4F farad supercapacitors with internal resistance for electronics DIY

Series 500F supercapacitor backup power supply for LED circuit step by step build video below. Click to watch directly on YouTube!

Series 2V7 500F Supercapacitor indicator LED backup power supply circuit diagram by electronzap electronzapdotcom
Series 2V7 500F Supercapacitor indicator LED backup power supply circuit diagram by electronzap electronzapdotcom

Charging 2 cheap so called 500F capacitors in series to see how unbalanced they become video below. Click here to watch directly on YouTube!


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