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<blockquote data-quote="n2audio" data-source="post: 1064634" data-attributes="member: 540940">Sorry, completely and totally incorrect.Trying to draw a logical conclusion&nbsp; based on what they do on Pimp My Ride is the WRONG way to get accurate information about&nbsp; 12v electronics.The batteries are wired in parallel, which means the CURRENT available increases, not the voltage.&nbsp; 24v would toast everything in any car, let alone 48v.&nbsp; It would be a complete meltdown -- literally.They put in batts and caps in the PMR system b/c that&#039;s what their sponsors would give them.&nbsp; The only thing required in that situation is a big alternator.&nbsp; Extra batteries are nice, they allow you to use the stereo w/o the car running for an extended period of time, but they&#039;re in no way required to make a high power system work correctly.When the alternator is the right size for the demand of a car&#039;s electronics the battery is electrically invisible to everything except the alternator as long as the car is running.I used 14v because when your engine&#039;s running the alternator should charge at around 14v.&nbsp; 12v is approximately what the battery should maintain when the engine&#039;s off.</blockquote>

[QUOTE="n2audio, post: 1064634, member: 540940"] Sorry, completely and totally incorrect. Trying to draw a logical conclusion based on what they do on Pimp My Ride is the WRONG way to get accurate information about 12v electronics. The batteries are wired in parallel, which means the CURRENT available increases, not the voltage. 24v would toast everything in any car, let alone 48v. It would be a complete meltdown -- literally. They put in batts and caps in the PMR system b/c that's what their sponsors would give them. The only thing required in that situation is a big alternator. Extra batteries are nice, they allow you to use the stereo w/o the car running for an extended period of time, but they're in no way required to make a high power system work correctly. When the alternator is the right size for the demand of a car's electronics the battery is electrically invisible to everything except the alternator as long as the car is running. I used 14v because when your engine's running the alternator should charge at around 14v. 12v is approximately what the battery should maintain when the engine's off. [/QUOTE]

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