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<blockquote data-quote="Jeffdachef" data-source="post: 8644123" data-attributes="member: 650438">battery is 10000x better than those junk grade caps. however batteries are just a band aid solution, you wont get high voltages but it&#039;ll prevent you from going below 12/11 volts which will stabilize most systems but you will routinely need to place those batts on an agm smart charger to trickle charge overnight around every month.&nbsp; those cheap caps are like spitting on a slash wound by a machete, literally useless garbage. Only caps that do anything good electrical wise are actual super/ultra caps that are in a bank thats over 3000 farads but those require a strong alternator to be effective.You need to add a voltmeter with the pos and negative leads connected to your sub amp&#039;s pos and negative terminals to monitor voltages seen at the amp and figure out whats really your problem rather than guessing.Those cheapo caps do play a different role though, noise filtering /AC ripple, if you have noise in your system, you can wire it before the ppi amp and reduce the noise floor caused by AC current by a good bit. aka alternator whine, buzzing, static etc..</blockquote>

[QUOTE="Jeffdachef, post: 8644123, member: 650438"] battery is 10000x better than those junk grade caps. however batteries are just a band aid solution, you wont get high voltages but it'll prevent you from going below 12/11 volts which will stabilize most systems but you will routinely need to place those batts on an agm smart charger to trickle charge overnight around every month. those cheap caps are like spitting on a slash wound by a machete, literally useless garbage. Only caps that do anything good electrical wise are actual super/ultra caps that are in a bank thats over 3000 farads but those require a strong alternator to be effective. You need to add a voltmeter with the pos and negative leads connected to your sub amp's pos and negative terminals to monitor voltages seen at the amp and figure out whats really your problem rather than guessing. Those cheapo caps do play a different role though, noise filtering /AC ripple, if you have noise in your system, you can wire it before the ppi amp and reduce the noise floor caused by AC current by a good bit. aka alternator whine, buzzing, static etc.. [/QUOTE]

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