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Capacitor

Calculating Capacitor Charge/Discharge Time using RC Constant

Last Updated on May 20, 2026 by Swagatam 4 Comments

RC

Capacitor charge and discharge periods is usually calculated through an RC constant called tau, expressed as the product of R and C, where C is the capacitance and R is the resistance parameter that may be in series or parallel with the capacitor C. It may be expressed as shown below: τ = R C […]

Filed Under: Electronics Theory Tagged With: Calculating, Capacitor, Charge, Discharge, RC, Time

Super Capacitor Charger Theory and Working

Last Updated on May 17, 2026 by Swagatam 241 Comments

supercapacitorchargercircuit

In this post I have explained a super capacitor charger circuit for charging super capacitors which converts a 12V car battery voltage to an elevated 16V for charging a bank of super capacitors. The idea was requested by Miariver. Super Capacitor for Peak Power Compensation  First thanks for keep publishing this blog is very helpful, […]

Filed Under: Battery Charger Circuits Tagged With: Capacitor, Charger, Super, Theory, Working

Multiple Battery Charger Circuit using Dump Capacitor

Last Updated on May 17, 2026 by Swagatam 61 Comments

astable

In this article I have explained how to build an automatic battery charger circuit using dump capacitor concept for self detecting and charging a multiple set of batteries. The idea was requested by Mr. Michael. Circuit Objectives and Requirements My name is Michael and live in Belgium. I found your site thru google during my […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Capacitor, Charger, Dump, Multiple

Sec Exciter Powered HV Capacitor Charger Circuit

Last Updated on May 17, 2026 by Swagatam 1 Comment

NEW SEC EXCITOR POWERD HV CAP CHARGER WITH HV DC OUTPUT 001

My friend Steven has updated a few more of his findings related to his sec exciter experiment, I have explained more what Mr. Steven has to say. NEW SEC EXCITER POWERED HV CAP CHARGER WITH HV DC OUTPUT Here’s the newest circuit originally it was a 3 piece circuit i found on YouTube so i modified it and upgraded […]

Filed Under: Battery Charger Circuits Tagged With: Capacitor, Charger, Exciter, HV, Powered

Super Capacitor Hand Cranked Charger Circuit

Last Updated on March 15, 2019 by Swagatam 7 Comments

supercapacitorchargercircuit

In this post I have explained a simple super capacitor hand cranked charger circuit using bridge rectifier which may be applied for charging a bank of super capacitors through any suitable hand cranked generator machine. The idea was requested by Mrs. Janet Prevent Reverse Discharge in Super Capacitors For a DIY project I bought a […]

Filed Under: Solar Controller Circuits Tagged With: Capacitor, Charger, Cranked, Hand, Super

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