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<blockquote data-quote="bubbagumper6" data-source="post: 8185868" data-attributes="member: 567719">Both a capacitor and a battery will present a load on the alternator as soon as their resting voltage drops below the alt&#039;s charging voltage.&nbsp; The difference being capacitors will discharge much MUCH faster than batteries but can hold far less total energy so if the demand is significant the cap will completely discharge before the demand is satisfied.&nbsp; Batteries on the other hand discharge much slower so there will be a more significant delay between when the demand starts and when the battery actually begins supplying current.&nbsp; However batteries hold vast amounts of energy so they can handle much larger demands for longer periods of time.&nbsp; Both need recharged in the end however.The main reason capacitors aren&#039;t used in the car audio world is because they simply do not hold enough energy to make a difference at the high current levels most systems run at.&nbsp; It would be like trying to supplement a fire hose with a 2 liter bottle of water connected to it...</blockquote>

[QUOTE="bubbagumper6, post: 8185868, member: 567719"] Both a capacitor and a battery will present a load on the alternator as soon as their resting voltage drops below the alt's charging voltage. The difference being capacitors will discharge much MUCH faster than batteries but can hold far less total energy so if the demand is significant the cap will completely discharge before the demand is satisfied. Batteries on the other hand discharge much slower so there will be a more significant delay between when the demand starts and when the battery actually begins supplying current. However batteries hold vast amounts of energy so they can handle much larger demands for longer periods of time. Both need recharged in the end however. The main reason capacitors aren't used in the car audio world is because they simply do not hold enough energy to make a difference at the high current levels most systems run at. It would be like trying to supplement a fire hose with a 2 liter bottle of water connected to it... [/QUOTE]

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