I have a super e-ram electric supercharger that draws 120amps for 15 seconds. When the e-rams engage, the lights dim. Would a 33lb optima red top (720cca) or a 26lb odyssey pc925 (380cca but 925, 5sec cranking amps) be more appropriate for my needs?
Also, I'm planning on grounding it better. My battery is currently located in the trunk, but I plan on mounting the new, replacement battery where the rear seats were (removed). Would adding a high-performance audio capacitor help? I'm trying to balance weight vs cranking power. My stock battery has 600cca (BCI90). Thanks for your help!
You need a larger alternator and a cap. 1 farrad would do nicely. It is a capacitor that makes up for those spikes in power consumption. www.crutchfield.com
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