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Dual Battery with isolator....whos running them and how do they work?

This is a discussion on Dual Battery with isolator....whos running them and how do they work? within the Lighting, Stereo, and Electrical forums, part of the Kawsaki Teryx Forum Technical category; I know i have more electrical components than the stock battery can handle.....hence my battery is ALWAYS dead or leavin me stranded. How does an ...


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Old 03-29-2011, 08:10 PM
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Dual Battery with isolator....whos running them and how do they work?

I know i have more electrical components than the stock battery can handle.....hence my battery is ALWAYS dead or leavin me stranded. How does an isolator work? Does it allow both batteries to be charged by the stock stator? If i hook all of my aftermarket electrical accessories up to the second battery and leave all of the stock stuff to the stock battery and lets say i run that second battery all the way down with my stereo.....will my teryx still start off of the stock battery? I need some help guys cause this thing keeps leavin me stranded and having to get jumped by a......yes..... a rzr. and i have no clue about electrical. Thanks in advance
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Old 03-29-2011, 09:06 PM
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I am going to this setup...Brian from LTI is providing the parts and Endi from SXS Customs is helping with the install...Endi says it is the way to go so I am going to have to believe him...

I'll be doing a step by step wiring procedure with pictures so stay tuned...
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Old 03-29-2011, 09:17 PM
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Dual battery setups with isolators are great. The system will all depend on how you set it up and what components you use. I had set my 08 up with a dual battery isolator switch which could run battery 1, battery 2 or both. Also had another box wired in that would allow the Teryx to charge the main battery first and then the switch over and charge the secondary battery.
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Old 03-29-2011, 11:47 PM
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Quote:
Originally Posted by SandJunkie View Post
I am going to this setup...Brian from LTI is providing the parts and Endi from SXS Customs is helping with the install...Endi says it is the way to go so I am going to have to believe him...

I'll be doing a step by step wiring procedure with pictures so stay tuned...
I have no patience......
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Old 03-30-2011, 07:08 AM
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My isolator for a dual battery set up and a waterproof fuse box arrived by mail from SXS Customs this week. Now I just have to find the time to wire every thing up.
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Old 03-30-2011, 07:59 AM
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Quote:
Originally Posted by SandJunkie View Post
I am going to this setup...Brian from LTI is providing the parts and Endi from SXS Customs is helping with the install...Endi says it is the way to go so I am going to have to believe him...

I'll be doing a step by step wiring procedure with pictures so stay tuned...
get on it dammit!!!! its not like you have anything else going on!!! seriously tho... looking forward to this. i want to run another pc925 in my car...
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Old 03-30-2011, 12:53 PM
 
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I am running dual batteries with an isolator since 08' without any problems. One battery runs the vehicle and the other runs the stereo stuff. The stereo battery runs low or dies on occasion and it never interferes with starting the SxS. Then an emergency start switch was added similar to a motorhome. If the SxS battery is dead, hold the switch and the secondary battery is used to start the rig.
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Old 03-30-2011, 04:29 PM
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Where is the best place to get the right isolator? I wanna run all of my accessories (three 4" kc lights, 5 speakers, stereo deck, amp, and HIDs) on the optima i bought today and leave the stock battery for stock things.
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Old 03-30-2011, 07:58 PM
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Stop messing around and by a blue top Optima. I can't kill the battery. $150 at Costco. Got the bracket from here http://www.ballisticfabrication.com/...II_p_1624.html $36. And it's lighter than the two battery option.
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Old 03-30-2011, 08:20 PM
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I bought my kit from Crown One Customs. It came with everything needed to install two oydessy batteries. Second Battery bracket,Isolater, wiring, ect. I also bought the batterys from them. PM me and Ill give you the owners phone number. (Not sure if its his personal or business cell number.)
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Old 03-30-2011, 08:31 PM
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Quote:
Originally Posted by GITRDONE View Post
Stop messing around and by a blue top Optima. I can't kill the battery. $150 at Costco. Got the bracket from here Ballistic 34/78 Optima Battery Box Revision II $36. And it's lighter than the two battery option.
x2
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Old 03-31-2011, 06:25 AM
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Quote:
Originally Posted by GITRDONE View Post
Stop messing around and by a blue top Optima. I can't kill the battery. $150 at Costco. Got the bracket from here Ballistic 34/78 Optima Battery Box Revision II $36. And it's lighter than the two battery option.
Does that mount require modification for the Rex or does it bolt right in place of the stock tray?
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Old 03-31-2011, 06:58 AM
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Quote:
Originally Posted by GITRDONE View Post
Stop messing around and by a blue top Optima. I can't kill the battery. $150 at Costco. Got the bracket from here Ballistic 34/78 Optima Battery Box Revision II $36. And it's lighter than the two battery option.
What all are you running on your 1 blue top and what model # did you get?
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Old 03-31-2011, 07:55 PM
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Quote:
Originally Posted by chavez View Post
What all are you running on your 1 blue top and what model # did you get?
D34M from Costco.

Quote:
Originally Posted by Kawibrute View Post
Does that mount require modification for the Rex or does it bolt right in place of the stock tray?
Nope pull out the stock tray and bolt in the one I posted up and your good to go.

Last edited by GITRDONE; 03-31-2011 at 07:57 PM. Reason: Automerged Doublepost
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Old 03-31-2011, 09:07 PM
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On the boat I wired in 2 batteries and used a solenoid as the isolater. I ran all of the stereo and accessories off of the second battery and all stock electronics and starting is off of the 1st battery. When the key is in run, the solenoid is active and runs off both batteries and charges both batteries. When the key is in start, only the start battery is active, and when the key is off, the stereo and depth finder run off of the second battery. Its a fairly simple setup and is a lot easier than having to use a selector switch under the hatch like the more common setup. I'm thinking about wiring the teryx up like this also.
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Old 03-31-2011, 10:45 PM
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Originally Posted by jwiebers View Post
On the boat I wired in 2 batteries and used a solenoid as the isolater. I ran all of the stereo and accessories off of the second battery and all stock electronics and starting is off of the 1st battery. When the key is in run, the solenoid is active and runs off both batteries and charges both batteries. When the key is in start, only the start battery is active, and when the key is off, the stereo and depth finder run off of the second battery. Its a fairly simple setup and is a lot easier than having to use a selector switch under the hatch like the more common setup. I'm thinking about wiring the teryx up like this also.
Thats exactly how mine is wired.
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Old 04-01-2011, 02:16 AM
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Don't waste your money on an Optima battery, they are living off a reputation of a great battery from 15 yrs. ago.

Odyssey batts. are the way to go. 3 yr. free replacement, you can't beat that. Shop around, I've found the 925 for around $120. I have never had an issue with it, I use the same batt. in my jet-ski. Just swap it in and out.
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Old 04-01-2011, 11:36 AM
 
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here is how we wire dual batteries in the sidexsides .....


you don't want to use an actual "isolator" their just big diodes and are very inefficient and the stator already sucks as it is
The automatic charging relay will "close" when the starting battery has a voltage above 13v for over 2 min. and allow the 2nd battery to charge it will work in both direction and if it senses a severely drained battery it will not connect it as well the battery switch we use also has a "combined" circuit for emergency starting situations
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Last edited by Long Travel Ind.; 04-01-2011 at 04:23 PM.
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Old 04-01-2011, 01:13 PM
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Such a pretty drawing Brian!!!
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Old 04-07-2011, 07:31 PM
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I have three Optima Blue top deep cycle marine starting batterys in my boat.
You need to remember that there are two different blue Optimas, one is a deep cycle only that is not designed to provide starting amperage, the other is a combo deep cycle/starting unit.
I found a company called Hellroaring Technologies, inc., Manufacturer of Solid State Dual Battery Isolator / Combiners and their isolator/combiners are top of the line. I've had one in our boat, (SkiSanger with about 1800 watts of stereo) for about 4 years. The thing is slicker than snot. I am running two batterys combined as one and the third in reserve "behind" the isolator. If I am on the beach with the tunes cranked too long I can run the two down. When that happens I hit the momentary and bring the third into service and fire up. Then, the isolator hides it again until the 2 primaries are showing a measured and continuous 13.4 volts. At that point it will allow the 3rd battery to see some current from the alternator. The nice thing about this is that you don't beat your alternator up trying to charge 3 batteries at once, and you don't even have to think about it. The system is "smart" and does it for you.
If you are thinking about an isolator set up for your 'Rex that is where I would go.
I'm about 2/3rds finished on the tunes for the Teryx, I have the SXS custom front pods with component 6.5' Alpines, I mounted the tweets in the dash pointing towards the seats giving it a bit of soundstage, a Kenwood deck in the glove box and a Ipod adapter on a mount I made hanging from the cage bar that runs across the dash. I have two large Bazooka tubbies on the back and a single 350 watt Alpine Vpower running them.
Down the road, probably next year, I will be adding a sub and another amp and I will most definitely be ordering another isolator. It is a great feeling when the battery is dead simply flipping a toggle switch and bringing a fresh battery on line to fire the engine up. I know the stock stator won't charge two, heck it really won't charge one, but the ability to direct what current it does produce is a good thing.
Checkout hellroaring, they have some great schematics and info on their website.
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Old 04-08-2011, 12:07 PM
 
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Quote:
Originally Posted by FBT View Post
I have three Optima Blue top deep cycle marine starting batterys in my boat.
You need to remember that there are two different blue Optimas, one is a deep cycle only that is not designed to provide starting amperage, the other is a combo deep cycle/starting unit.
I found a company called Hellroaring Technologies, inc., Manufacturer of Solid State Dual Battery Isolator / Combiners and their isolator/combiners are top of the line. I've had one in our boat, (SkiSanger with about 1800 watts of stereo) for about 4 years. The thing is slicker than snot. I am running two batterys combined as one and the third in reserve "behind" the isolator. If I am on the beach with the tunes cranked too long I can run the two down. When that happens I hit the momentary and bring the third into service and fire up. Then, the isolator hides it again until the 2 primaries are showing a measured and continuous 13.4 volts. At that point it will allow the 3rd battery to see some current from the alternator. The nice thing about this is that you don't beat your alternator up trying to charge 3 batteries at once, and you don't even have to think about it. The system is "smart" and does it for you.
If you are thinking about an isolator set up for your 'Rex that is where I would go.
I'm about 2/3rds finished on the tunes for the Teryx, I have the SXS custom front pods with component 6.5' Alpines, I mounted the tweets in the dash pointing towards the seats giving it a bit of soundstage, a Kenwood deck in the glove box and a Ipod adapter on a mount I made hanging from the cage bar that runs across the dash. I have two large Bazooka tubbies on the back and a single 350 watt Alpine Vpower running them.
Down the road, probably next year, I will be adding a sub and another amp and I will most definitely be ordering another isolator. It is a great feeling when the battery is dead simply flipping a toggle switch and bringing a fresh battery on line to fire the engine up. I know the stock stator won't charge two, heck it really won't charge one, but the ability to direct what current it does produce is a good thing.
Checkout hellroaring, they have some great schematics and info on their website.
The Problem with those type of isolators is that they are VERY inefficient.
They work good on boats, and Rv's because they have a good alternator but with the UTv's we only have a stator
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Old 04-08-2011, 04:20 PM
FBT FBT is offline
 
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LTI it stands to reason the weak-ass stator might create signal issues to the diodes.
For us do-it-yourselfers a long way from SoCal could you give us the brands and part numbers for the battery switch and charging relay that are working for you?
Your schematic makes sense to me and I appreciate the info.
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Old 04-08-2011, 04:40 PM
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Great info Brian. I'd like to do a 2 battery setup this summer.
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Old 04-08-2011, 08:22 PM
 
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I completed this project tonight but I am lacking the charging wire.Does any one know which wire and where it is located for the charging circut.thanks
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Old 04-11-2011, 09:32 AM
 
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Quote:
Originally Posted by FBT View Post
LTI it stands to reason the weak-ass stator might create signal issues to the diodes.
For us do-it-yourselfers a long way from SoCal could you give us the brands and part numbers for the battery switch and charging relay that are working for you?
Your schematic makes sense to me and I appreciate the info.
not sure on the exact part number on the switch but give me a call at the shop and I have them in stock for you
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