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<blockquote data-quote="joetama" data-source="post: 5161159" data-attributes="member: 564641">From my experience working with power supplies in A/C amplifiers you can have the right amount of capacitance and you can have a better amount of capacitance.In a car your main filter for ripple voltage is the battery. However, smaller value capacitors are going to have a much faster charge and discharge rate therefor adding them to the system lowers the ripple current even more. They also are going to have a higher V/S or rise time. In an amplifier design these secondary capacitors are known as bypass capacitors.But, honestly adding a 5F Capacitor doesn&#039;t really do any good as it is acting more as a power source than a bypass capacitor. You can&#039;t think of a capacitor as a second tank of gas, nor should you really think of your battery this way. Your Alt should always be the primary source of power, unless the motor isn&#039;t running.</blockquote>

[QUOTE="joetama, post: 5161159, member: 564641"] From my experience working with power supplies in A/C amplifiers you can have the right amount of capacitance and you can have a better amount of capacitance. In a car your main filter for ripple voltage is the battery. However, smaller value capacitors are going to have a much faster charge and discharge rate therefor adding them to the system lowers the ripple current even more. They also are going to have a higher V/S or rise time. In an amplifier design these secondary capacitors are known as bypass capacitors. But, honestly adding a 5F Capacitor doesn't really do any good as it is acting more as a power source than a bypass capacitor. You can't think of a capacitor as a second tank of gas, nor should you really think of your battery this way. Your Alt should always be the primary source of power, unless the motor isn't running. [/QUOTE]

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