Tatiana Evanosky: Batteries and capacitors are both energy storage devices, but upgrading neither will effectively improve your performance and reduce dimming. Dimming itself is a sign that the heart of your system - the alternator and engine wires - need upgrading. Look into a high-output alternator upgrade and a "Big 3" upgrade. The new alternator will ensure your system has adequate power, and the Big 3 wire upgrade will ensure you have proper flow.
Jene Kostyla: Austin C, if you want sustained high output performance, ante up for the alternator. The friendly Kinetik tech guy told me 80% of their warranty returns are for sulfated batteries; in other words, batteries that were not being fully recharged. Also, check the actual potential at the battery at the end of the charging cycle to ensure it is neither too high nor too low. Hondas and Nissans are know to under charge and I have measured several new Schumacher battery chargers at 17+V. Given enough time and ! enough load, even the biggest battery will be drained if the alternator is too small. Think about it. Can a capacitor help? It can depend upon the dynamics of the music and the way it is played, where it is placed, (presumably quite close to the amp), and wire size/ capacity. If the load is high and sustained, a capacitor will not be of much use. Lots of dynamics/ peaks, a capacitor may help reduce clipping. It is hard to imagine having too much battery if it were not for weight and volume issues. More batteries will not increase the alternator load (unless the batteries had been previously discharged); to think otherwise is just wrong. If anything more would decrease the load because battery conductance are maximized, but this really is not the issue. Using a single large battery simplifies charging and discharging, wiring and component issues. Going to a multiple, but matched batteries can also be a satisfactory solution and gives the flexibility of locating each near the! larger power users, such as the starter and the amp. This min! imizes component issues. The last is the combining of more than one type of battery into the same electrical system. Ideally when different batteries are used in the same system, each set of matched batteries would have its own Voltage regulator to ensure full charging. What type of battery? Assuming sealed lead acid, gel and AGM are preferred, with the AGM providing the higher peaking current but phosphorus impregnated grid gel providing better deep cycle/ drained recovery performance, (battery recovering from a less than 10.5 V resting potential). For those needing the dynamic range but not sustained, an AGM starting battery can work well and a capacitor may help even more as can a gel coupled with a capacitor. For those needing sustainable high power, a high output alternator coupled with a deep cycle(s) would be best. And remember, more battery + high capacity wiring = higher Voltage at the amp & accompanying lower amps for the same power. More battery + proper charging! = longer battery life....Show more
Ermelinda Stalnaker: Really either will work, they both store power so that the amp draws from the cap or secondary battery instead of the primary battery (which takes power away from all other components in the vehicle explaining the dimming lights). 1 farad is equal to about 500W so you have to make sure you get a capacitor that can handle more than your amps require. Same with the secondary battery, only they are usually rated by watts. Any battery you get will be 12 volts, so you want to look at the wattage rating instead....Show more
Dick Maisenbacher: A cap will not help you. They only regulate voltage when the amperage is greater than the demand otherwise they will put more strain on your charging system. Your best and cheapest bet is to replace your existing battery with a good car audio battery like a yellow top or a kinetic and do the big 3. A high output alternator is the first thing you should do but that costs mor! e than the above mentioned. Just don't get a cap at any farad.http://ww! w.caranswer.info/car-audio/Why-does-every......Show more
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