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Unread 11-25-2010, 07:10 PM   #1
JRostron30
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Need a Battery....

Considering the many different applications of the Jeep Wrangler I was wondering what batteries you folks use in your Jeeps.

What would you recommended for a 2002 Sahara w/ Audio Upgrades?

-Thanks.

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Unread 11-25-2010, 07:14 PM   #2
Yodwinder
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Optima Yellow Top! D34, or D34/78. I think the 78 just has optional sideposts, from what I can tell.

I'm sure others can chime in on this.
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Unread 11-25-2010, 07:16 PM   #3
JRostron30
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I like Optima but I DO NOT like the pricing
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Unread 11-25-2010, 07:19 PM   #4
DustinS
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Just get a cheapo stock replacement unless you deep cycle it or are interested in saving weight.
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Unread 11-25-2010, 07:22 PM   #5
Unlimited04
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Optimas are major crap.

Diehard Platinum P4 is what you want
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Unread 11-25-2010, 07:23 PM   #6
JRostron30
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I don't really care about the weight. After all, I'm not a Lotus design engineer . But I would like something somewhat midrange on the pricing scale but pretty high performance ( if thats even possible).
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Unread 11-25-2010, 07:31 PM   #7
DustinS
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Depending how serious your audio upgrades are, doing "the big 3" is going to offer more performance than any fancy expensive battery.

Upgrade from factory cable to thicker stuff.
Alternator to +Battery
-Battery to Engine
-Battery to body/frame
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Unread 11-25-2010, 07:58 PM   #8
Jerry Bransford
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In strictly my personal opinion, Optima's battery quality took a major nosedive after they were bought out by Johnson Controls and they moved their manufacturing to Mexico. I had three... count them, THREE... Optimas die premature deaths in my '97 TJ within 8 years, two Yellow Tops and one Blue Top. Not many left who know what's up with batteries will recommend Optima any more.

If you offroad, you do want an AGM (absorbed glass matting) where the battery has a solid construction and the acid is not in liquid form, it's in a paste form that is in the glass matting in a solid design that is shock and vibration proof. Optima is an AGM design too but I wouldn't buy one. Odyssey, the awesome mil-spec battery manufacturer now makes a line of AGM batteries for Sears Diehard called the Diehard Platinum line. That's what I replaced my failed Optima Blue Top D34M (identical to the 34/78 Yellow Top internally) with on my last Jeep that was stolen in March. As soon as I get the $$$, I'll be buying another Diehard Platinum for my replacement '04 Wrangler.

If you don't offroad, you don't need an AGM battery but if you do offroad, do stick with an AGM style battery. Conventional batteries suspend their lead plates into liquid acid and those lead plates get broken off from shock and vibration which shorts the cell out.
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Unread 11-25-2010, 08:10 PM   #9
nitecop
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like jerry said stay clear of Optimas. bad mojo with them. I've good luck with my 6 year old Duralast gold(that was in my jeep when i bought it 5 years ago) I test with a good tester every fall and it still working great.
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Unread 11-25-2010, 08:13 PM   #10
06flex
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I am a huge interstate battery guy. I have two in each of my boats and one in my jeep. My duck boat has the original battery from 2003. It will sit for 3 months at a time and fire right up. I also have them in my center console with a ton of electronics. I highly recommend them.
http://www.interstatebatteries.com/c...nths+-+700+CCA
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Unread 11-25-2010, 09:08 PM   #11
wushaw
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Another good reason to go with a AGM type battery is the lack of acid that will corrode terminals, battery plate & associated equipment.
I have zero corrosion on or around my almost 11yo Jeep battery tray & wiring due to installing a Optima in 03, it still works for now.
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Unread 11-26-2010, 08:10 AM   #12
oakmckinley
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I've got NAPA Legend's in both my Jeep and they've been great. Around $90.
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Unread 11-26-2010, 08:29 AM   #13
StvDiego
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Diehard Platinum is a great battery, but pricey

The Duralast Gold seems to be a decent budget battery, gets generally good reviews on audio forums

I have two Costco batteries in my diesel and they've held up well for a couple of years now.

I have a yellow Walmart battery in my RV that's been starting it for three years now.

I have one Jeep with a not quite one year old Diehard Platinum and one with a four year old Optima.

I've had good luck over the years with batteries and I'm not sure there is a "Best" battery... My best advice is to buy the best battery your budget allows
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Unread 11-26-2010, 08:52 AM   #14
BYuen
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Yep as Jerry said, stay away from Optimas. I had one of their older batteries, a red top, before Johnson Controls switched over. It lasted a good 5 years of hard use. I now run the Sears Die Hard Platinum.
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Unread 11-26-2010, 09:50 AM   #15
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Quote:
Originally Posted by Jerry Bransford View Post
If you don't offroad, you don't need an AGM battery but if you do offroad, do stick with an ATM style battery.
ATM?...
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