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Re: Capacitor Myth
Originally Posted by
If you know how power is stored and discharged, you also know that a capacitor only catches up the peaks in the current-demand (but most amps already have capacitors inside to do this), but raises the constant current-demand.
The only difference is: without a capacitor, you're kicking your alternator and battery untill it finally dies and with a capacitor, you're letting it die a slow and painfull death.
I'm pretty sure your alternator will die one day (probably taking the battery with it) and I'd recommend you to get an upgraded one + a better battery (an Optima Yellow Top isn't exactly the finest quality, it's just well known...) and then try out the install without the 15F capacitor in between.
I'm sure the lights won't dim anymore and as long as the battery is fine or you replace it in time, and you don't add power to the system, the upgraded alternator will last untill the carbon-brushes are worn out.
Yes... I understand that a capacitor "catches up" the peaks. and yes it does raise the constant current demand. But if your new constant current demand is within acceptable/safe limits your alternator and battery will be fine. I've considered a second battery but the real estate taken up is not something I want to part with. I appreciate your advice, thank you
Working on an install plan for my 2013 Subaru Legacy. Will post a build log soon!
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