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Battery Use While Car is Running
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<blockquote data-quote="Thnking" data-source="post: 2274328" data-attributes="member: 571105"><p>The fact remains that a HO alternator can cover loads most people have.</p><p></p><p>Is it going to be a case by case situation, yes.</p><p></p><p>Does someone need a 2nd battery when an alternator can be bought to match the load, NO. Even if the load exceeds the alternators output, which it does often with high frequencies, BUT it doesn’t do it for any significant portion of time. Well beyond what’s measureable with any typical DMM.</p><p></p><p>A battery is a storage device, it parasitic in the system, and is rarely going to discharge (besides leakage) when the alternator is running.</p><p></p><p>You two can argue the opposite until you’re blue in the face, but science tells us other wise, and no battery discharges until the voltage dips below it’s nominal…</p><p></p><p>If you have any problems with this idea, you can go into a high school classroom and ask any physics teacher.</p></blockquote><p></p>
[QUOTE="Thnking, post: 2274328, member: 571105"] The fact remains that a HO alternator can cover loads most people have. Is it going to be a case by case situation, yes. Does someone need a 2nd battery when an alternator can be bought to match the load, NO. Even if the load exceeds the alternators output, which it does often with high frequencies, BUT it doesn’t do it for any significant portion of time. Well beyond what’s measureable with any typical DMM. A battery is a storage device, it parasitic in the system, and is rarely going to discharge (besides leakage) when the alternator is running. You two can argue the opposite until you’re blue in the face, but science tells us other wise, and no battery discharges until the voltage dips below it’s nominal… If you have any problems with this idea, you can go into a high school classroom and ask any physics teacher. [/QUOTE]
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