Home Back

Super Capacitor Energy Calculator Formula

Energy Formula:

\[ E = \frac{1}{2} \times C \times V^2 \]

Farads (F)
Volts (V)

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is a Super Capacitor Energy Calculator?

Definition: This calculator computes the energy stored in a super capacitor based on its capacitance and voltage.

Purpose: It helps engineers and electronics enthusiasts determine the energy storage capacity of super capacitors for various applications.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ E = \frac{1}{2} \times C \times V^2 \]

Where:

Explanation: The energy stored in a capacitor is proportional to the square of the voltage across it and directly proportional to its capacitance.

3. Importance of Energy Calculation

Details: Proper energy estimation ensures correct capacitor selection for power backup systems, energy harvesting, and pulse power applications.

4. Using the Calculator

Tips: Enter the capacitance in Farads and voltage in Volts. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is the energy proportional to voltage squared?
A: This relationship comes from the physics of energy storage in electric fields. Doubling the voltage quadruples the stored energy.

Q2: What's a typical super capacitor capacitance range?
A: Super capacitors typically range from 0.1F to several thousand Farads, much higher than regular capacitors.

Q3: How does this differ from battery energy calculation?
A: Batteries store energy chemically with nearly constant voltage, while capacitors store energy electrostatically with voltage that drops as energy is discharged.

Q4: Can I use this for regular capacitors?
A: Yes, the formula applies to all capacitors, but super capacitors are specifically designed for high energy storage.

Q5: How can I convert Joules to Watt-hours?
A: Divide the energy in Joules by 3600 to convert to Watt-hours (Wh).

Super Capacitor Energy Calculator Formula© - All Rights Reserved 2025