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Wiring, Electrical & Installation
Electrical Upgrades on my 08 Altima Hybrid, possible?
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<blockquote data-quote="gckless" data-source="post: 7912294" data-attributes="member: 635756"><p>So it probably steps up/down voltage to and from the 42V batteries to the 12V system, I'd assume?</p><p></p><p>Ideally you will want a bigger alternator, or in your case, an alternator period, since I don't think you will be able to increase the output from the Hybrid battery. In your vehicle electricity is provided by the batteries, where in a regular vehicle it is the alternator. Though I don't understand how the engine creates DC power to charge the batteries without an alternator. That's something you will want to look into. Anyway, since that isn't an option, your other option is to build a big reserve of electricity with batteries. Two issues with this: first, depending on what you will be drawing, you won't be able to listen to your system at full tilt for a long time. Since you will be drawing more than you are producing, your charging system (normally alternator, in your case that hybrid battery) will not be able to keep up, so your voltage will continually fall while you are in that electricity debt. Second, you will be around 12.6V (the resting voltage of your batteries, where your batteries start to provide power), so you won't be getting full power from those amps. You won't want to be less than 12V ever really, though personally I get nervous when I see under 13V when my car is running. That's probably my own personal paranoia from toasting an amp though :/</p><p></p><p>It will also be prudent to have a pretty good understand of how your electrical system works on that vehicle. That's a big battery under there, and I would really hate to see the aftermath if that thing were to overheat or destruct in some way. They probably have safeguards against that, but you never know. I'd visit some shops, email some people, find out everything you could.</p></blockquote><p></p>
[QUOTE="gckless, post: 7912294, member: 635756"] So it probably steps up/down voltage to and from the 42V batteries to the 12V system, I'd assume? Ideally you will want a bigger alternator, or in your case, an alternator period, since I don't think you will be able to increase the output from the Hybrid battery. In your vehicle electricity is provided by the batteries, where in a regular vehicle it is the alternator. Though I don't understand how the engine creates DC power to charge the batteries without an alternator. That's something you will want to look into. Anyway, since that isn't an option, your other option is to build a big reserve of electricity with batteries. Two issues with this: first, depending on what you will be drawing, you won't be able to listen to your system at full tilt for a long time. Since you will be drawing more than you are producing, your charging system (normally alternator, in your case that hybrid battery) will not be able to keep up, so your voltage will continually fall while you are in that electricity debt. Second, you will be around 12.6V (the resting voltage of your batteries, where your batteries start to provide power), so you won't be getting full power from those amps. You won't want to be less than 12V ever really, though personally I get nervous when I see under 13V when my car is running. That's probably my own personal paranoia from toasting an amp though :/ It will also be prudent to have a pretty good understand of how your electrical system works on that vehicle. That's a big battery under there, and I would really hate to see the aftermath if that thing were to overheat or destruct in some way. They probably have safeguards against that, but you never know. I'd visit some shops, email some people, find out everything you could. [/QUOTE]
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Electrical Upgrades on my 08 Altima Hybrid, possible?
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