Energy Stored in a 4700 µF Capacitor at 35 V
A 4700 µF capacitor at 35 V stores approximately 2.88 joules of energy.
How to use this tool
- Enter capacitance (c) and voltage (v) in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your energy and the full breakdown beneath it.
Large 4700 µF electrolytic capacitors at 35 V are used in audio amplifier power supplies and power conditioning for significant energy storage.
Frequently asked questions
- Can a capacitor store as much energy as a battery?
- Generally no. A typical 1 F supercapacitor at 2.7 V stores ~3.6 J, while a single AA alkaline battery stores ~15,000 J. Capacitors excel at releasing energy quickly (high peak power), not storing large amounts.
- Why does energy scale with V²?
- Each additional unit of charge added to a capacitor must be pushed against an increasing voltage, so the energy per coulomb increases linearly. Integrating Q × dV from 0 to V gives ½CV².