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Old 11-28-2012, 07:59 PM   #1
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dual battery system

does anyone have any info on install a dual battery system in a 2012 wrangler ultimate sport petrol. there isnt enough room to fit a second battery in the engine bay so need some advice to where to mount the gear?
cheers

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Old 11-28-2012, 09:49 PM   #2
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does anyone have any info on install a dual battery system in a 2012 wrangler ultimate sport petrol. there isnt enough room to fit a second battery in the engine bay so need some advice to where to mount the gear?
cheers
I am surprised there isn't a kit yet. The battery in my s2000 is a good deal smaller than the JK stock 2012 battery, and there is a bit of extra space around the OEM battery. I do think that two smaller batteries would fit in the place of the OEM battery. I definitely think that a race battery (enough to run the JK stock) and a second backup optima would be a viable solution for those that need a dual battery. The entire point of a dual battery setup (in my opinion) is to ensure that no matter how much juice you use, you always have enough to start the vehicle, and a race battery should be more than enough to power up a JK.

Something like this as a primary battery, and then a big boy to back it up.

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Old 11-28-2012, 09:53 PM   #3
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Here you go, there is even a video and at $135 it's a good deal.
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Old 11-28-2012, 09:57 PM   #4
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Old 11-28-2012, 09:59 PM   #5
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Here you go, there is even a video and at $135 it's a good deal.
Saw that a while ago, and that is not a good kit. It requires hacking of the OEM tray and uses straps to secure the batteries, which is a no no in my book.
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Old 11-29-2012, 05:49 AM   #6
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Saw that a while ago, and that is not a good kit. It requires hacking of the OEM tray and uses straps to secure the batteries, which is a no no in my book.
I agree with the strap, but with the older JKs you had to cut the tray also. There is no getting around that. What I'm worried about with that kit is that the air box needs to be moved up slightly, so I'm worried it wouldn't work with an AEV snorkel which is also another addition I'm planning on.
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Old 11-29-2012, 08:38 AM   #7
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I agree with the strap, but with the older JKs you had to cut the tray also. There is no getting around that. What I'm worried about with that kit is that the air box needs to be moved up slightly, so I'm worried it wouldn't work with an AEV snorkel which is also another addition I'm planning on.
I still think that a race battery along with a full size would be a great solution. Will do the job, without a ton of extra weight and under the hood clutter.
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Old 11-29-2012, 08:53 AM   #8
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Why do they not show the batteries connected?
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Old 11-29-2012, 09:22 AM   #9
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yeah,i think so,It requires hacking of the OEM tray and uses straps to secure the batteries, thank you
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Old 11-29-2012, 09:34 AM   #10
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Does anyone have experience with the Rugged Ridge tray?
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Old 11-29-2012, 03:25 PM   #11
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You guys are lucky everything is for lhd not rhd jeeps, I am in aus and trying to sort a dual battery setup.
I looked at rugged ridge tray, and morris wanted $120 for shipping It cost more than the tray
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Old 11-29-2012, 04:33 PM   #12
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CG3 has a pretty nice setup from some previous posts. It had some electronics with automatic switching and isolation features. She paid through the nose for it from what I read though.
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Old 11-29-2012, 07:51 PM   #13
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CG3 has a pretty nice setup from some previous posts. It had some electronics with automatic switching and isolation features. She paid through the nose for it from what I read though.
She also has a pre-Pentastar engine. The tray won't fit the newer ones. lbrito has the MORE tray that will fit in the pentastar engine, butI'm not to keen on the strap. Not so much about holding the battery down, but for lack of a spot for a battery isolator,
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Old 12-10-2012, 11:15 PM   #14
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You guys are lucky everything is for lhd not rhd jeeps, I am in aus and trying to sort a dual battery setup.
I looked at rugged ridge tray, and morris wanted $120 for shipping It cost more than the tray
I agree there but Piranha in Melbourne do a tray that fits above the rear wheel arch for the JKU. I've just ordered one. ($300.00) ouch! I'll let the rhd owners know how I go.
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Old 12-10-2012, 11:30 PM   #15
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Quote:
Originally Posted by ratta1981 View Post
does anyone have any info on install a dual battery system in a 2012 wrangler ultimate sport petrol. there isnt enough room to fit a second battery in the engine bay so need some advice to where to mount the gear?
cheers
Check out this thread: http://www.wranglerforum.com/f33/dua...ly-191051.html

The member installed the MORE dual battery tray. It uses straps but that isn't a big deal. The weight of the batteries will help hold themselves in place and you could always come up with better straps.

You have to cut the plastic factory tray but the MORE tray is sheet metal.
And if you are like me you could cut the factory plastic and make it look factory installed.

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