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Dual Batteries
I'm about to instal dual Optima yellow top batteries in my sweet young
bride's 06 Rubicon (Kate). My question is, do I run them paralell or do I seperate them out, using a charging system isolator, running the jeep on one battery and the accessories on the other? Thanks |
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#2
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Dual Batteries
Big Iron wrote:
> I'm about to instal dual Optima yellow top batteries in my sweet young > bride's 06 Rubicon > (Kate). > > My question is, do I run them paralell or do I seperate them out, > using a charging system > isolator, running the jeep on one battery and the accessories on the > other? Always use an isolator. It's safer. http://www.4wheeloffroad.com/techart...ery/index.html http://www.wranglernw.com/ShowCatego...categoryid=790 -- DougW |
#3
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Dual Batteries
"DougW" > wrote in message ... > Big Iron wrote: >> I'm about to instal dual Optima yellow top batteries in my sweet young >> bride's 06 Rubicon >> (Kate). >> >> My question is, do I run them paralell or do I seperate them out, >> using a charging system >> isolator, running the jeep on one battery and the accessories on the >> other? > > Always use an isolator. It's safer. > http://www.4wheeloffroad.com/techart...ery/index.html > http://www.wranglernw.com/ShowCatego...categoryid=790 > > -- > DougW >Thanks Doug |
#4
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Dual Batteries
I am a firm believer in running an isolator. What good are two
batteries when you leave the lights on or something when setting up a camp and both end up dead... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 'New' frame in the works for '08. Some Canadian Bush Trip and Build Photos: http://mikeromainjeeptrips.shutterfly.com Big Iron wrote: > I'm about to instal dual Optima yellow top batteries in my sweet young > bride's 06 Rubicon > (Kate). > > My question is, do I run them paralell or do I seperate them out, using a > charging system > isolator, running the jeep on one battery and the accessories on the other? > > Thanks > > |
#5
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Dual Batteries
"Mike Romain" > wrote in message g.com... >I am a firm believer in running an isolator. What good are two batteries >when you leave the lights on or something when setting up a camp and both >end up dead... > > Mike > Thanks Mike |
#6
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Dual Batteries
Big Iron wrote:
> I'm about to instal dual Optima yellow top batteries in my sweet young > bride's 06 Rubicon > (Kate). > > My question is, do I run them paralell or do I seperate them out, using a > charging system > isolator, running the jeep on one battery and the accessories on the > other? Biggest issue I have with the parallel setup is the charge problem - it's hard to get two batteries with identical charge curves so one or the other will never get a full charge or one will be over-charged and gassing badly. The only advantage to a straight parallel setup is increased starting current (max drain). Years back, I had a dual lead-acid battery setup in a jet airplane where the batteries were paralleled for start then charged individually. The switching system failed after start and the gas from the over charged battery blew - left a large open hole in the nose. The engine compartment of a Jeep is no where near as enclosed as this was and I'm sure batteries have improved a bit in the last 45 years, but why tempt Murphy? And like Mike said, direct parallel means BOTH batteries go dead at the same time - oops! -- Will Honea -- Posted via a free Usenet account from http://www.teranews.com |
#7
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Dual Batteries
> Biggest issue I have with the parallel setup is the charge problem - it's > hard to get two batteries with identical charge curves so one or the other > will never get a full charge or one will be over-charged and gassing > badly. > The only advantage to a straight parallel setup is increased starting > current (max drain). Years back, I had a dual lead-acid battery setup in > a > jet airplane where the batteries were paralleled for start then charged > individually. The switching system failed after start and the gas from the > over charged battery blew - left a large open hole in the nose. The > engine > compartment of a Jeep is no where near as enclosed as this was and I'm > sure > batteries have improved a bit in the last 45 years, but why tempt Murphy? > > And like Mike said, direct parallel means BOTH batteries go dead at the > same > time - oops! > > -- > Will Honea Thanks Will, I agree with y'all, it's just nice to get a second opinion. I'll get a charging system isolator and get the alternator rewound to a higher output and set up the batteries to seperate systems one for the basic jeep and one for all of the accessories that seem to be adding themselves on at an amazing pace. Thanks to y'all for your input. Dick |
#8
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Dual Batteries
I run mine with an isolator.
Jeep is running = both charge, aux only pull from the yellow top Jeep is not running = aux all use the yellow top, starting uses only the red top All I have to do is remember when I run the red dead is to swap their positions and start using the yellow. Or, do what I did last time that happened and get a jump start. -jenn On Sun, 23 Mar 2008 13:43:56 -0500, "Big Iron" > wrote: >>I'm about to instal dual Optima yellow top batteries in my sweet young >>bride's 06 Rubicon >>(Kate). >> >>My question is, do I run them paralell or do I seperate them out, using a >>charging system >>isolator, running the jeep on one battery and the accessories on the other? >> >>Thanks >> |
#9
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Dual Batteries
http://www.wranglernw.com/ is who I used for the parts. Granted I used them in part
because I could go over to the shop and talk to them and pick the stuff up. -jenn On Mon, 24 Mar 2008 11:33:20 -0500, "Big Iron" > wrote: >> >>> Biggest issue I have with the parallel setup is the charge problem - it's >>> hard to get two batteries with identical charge curves so one or the other >>> will never get a full charge or one will be over-charged and gassing >>> badly. >>> The only advantage to a straight parallel setup is increased starting >>> current (max drain). Years back, I had a dual lead-acid battery setup in >>> a >>> jet airplane where the batteries were paralleled for start then charged >>> individually. The switching system failed after start and the gas from the >>> over charged battery blew - left a large open hole in the nose. The >>> engine >>> compartment of a Jeep is no where near as enclosed as this was and I'm >>> sure >>> batteries have improved a bit in the last 45 years, but why tempt Murphy? >>> >>> And like Mike said, direct parallel means BOTH batteries go dead at the >>> same >>> time - oops! >>> >>> -- >>> Will Honea >> >> >>Thanks Will, >> >>I agree with y'all, it's just nice to get a second opinion. I'll get a >>charging system isolator >>and get the alternator rewound to a higher output and set up the batteries >>to seperate systems >>one for the basic jeep and one for all of the accessories that seem to be >>adding themselves >>on at an amazing pace. >> >>Thanks to y'all for your input. >> >>Dick >> |
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