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ohbejoyfull said:
Does anyone use a dual battery system? If so what brand, what to look for in general? Thanks
I run 3 batteries in my truck. two SVR-80's in the back, and a Optima Bluetop under the hood. All powered by a high output Iraggi 220amp alternator of course.
 

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If you want to run dual batteries can that be accomplished simply by installing the isolator? I'm seriously considering this for my Taco.
 

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Sorry if I'm asking a dumb question, but why are you running 3 of them? I guess another question I would ask is when do you need to start running more then just the 1 battery?
 

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Just out of curiosity, why is the yellow top your starting battery and the red top your back up and not the other way around? Not being a smart a&& just wondering for my own little information bank..
 

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Rock Vapor
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volley said:
Just out of curiosity, why is the yellow top your starting battery and the red top your back up and not the other way around? Not being a smart a&& just wondering for my own little information bank..
cuz of all of my lights & winch. Ive drained accidentally 3 times already
 

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so you are running your lights, winch etc off the main starting battery and not the aux batt?

im planning on doing the opposite, going red for starting only and yellow for aux(lights, amps etc...)
 

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Rock Vapor
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Yeah, that way I will always have a fresh backup batt- but you can do it the other way as well. It will come down to what type of isolator/combiner you use. The HR set up provides a trickle charge to the BU batt so that it is always fresh, but does not pull on the alternator that much. If I drain the primary, all I have to do is flick a switch I have new juice. By using the deep cycle as the primary I dont have to worry about draining it as that is what they are designed to withstand. The CCA are pretty much the same with the red & yellow optima (the red is higher I think)
 

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I'm running a dual battery set-up to power a fridge. I've been using the Surepower Isolator for about 3 1/2 years now.

Bajataco.com has a write-up for his set-up.
 

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ZR2Steve said:
I'm running a dual battery set-up to power a fridge. I've been using the Surepower Isolator for about 3 1/2 years now.

Bajataco.com has a write-up for his set-up.
I'll be doing the same thing. I have a Waeco portable fridge/freezer out of my old truck. Going to use the Yellow Top to power it and my very very modest stereo system.

I had just the Yellow in my old truck that powered it and was my starting battery. But since there looks to be so much room under the hood I've decided to add the Yellow as a dual system.

You remember where you got the Sure Power from?
 

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TMS2U said:
Yeah, that way I will always have a fresh backup batt- but you can do it the other way as well. It will come down to what type of isolator/combiner you use. The HR set up provides a trickle charge to the BU batt so that it is always fresh, but does not pull on the alternator that much. If I drain the primary, all I have to do is flick a switch I have new juice. By using the deep cycle as the primary I dont have to worry about draining it as that is what they are designed to withstand. The CCA are pretty much the same with the red & yellow optima (the red is higher I think)
thats a good way of looking at it, i think i may just go that way when it comes time for it.
thanks
 

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volley said:
You remember where you got the Sure Power from?

I got it at either Pep Boys or Auto Zone, both an auto parts store in So Ca. But when a friend went to do this job a few months back, neither store sold them anymore. My friend found an on-line site.
 

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TMS2U said:
Yeah, that way I will always have a fresh backup batt- but you can do it the other way as well. It will come down to what type of isolator/combiner you use. The HR set up provides a trickle charge to the BU batt so that it is always fresh, but does not pull on the alternator that much. If I drain the primary, all I have to do is flick a switch I have new juice. By using the deep cycle as the primary I dont have to worry about draining it as that is what they are designed to withstand. The CCA are pretty much the same with the red & yellow optima (the red is higher I think)
Where did you buy your HR isolator?? Thanks
 

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Yea I had no luck with it either.... I contacted Sure Power as to which isolator I would need, and apparently they do not have one for the 05 yet....???
 
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