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Hmm, I'm trying to compare these to batteries. Does anyone know how to convert farads to watt hours?
by tocomment 14y ago
Hmm, I'm trying to compare these to batteries. Does anyone know how to convert farads to watt hours?
- irrelative 14y agoEnergy stored in a capacitor is equal to: 1/2 * c * v^2 Where c is the capacitance in farads, and v is the voltage. That will produce a value of joules. Note that the capacitor is rated for a given voltage, so that goes in as v. Converting watt hours to joules goes like this: A watt is one joule per second, so a watt hour is 3600 joules.
- tocomment 14y agoBy that formula, I only get ~12 joules for a 1 farad capacitor at 5 volts. That seems low. Are you sure it's correct?