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  #1  
Old 09-18-2010, 10:03 AM
Rock Dog Rock Dog is offline
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Default new battery for the 80

looking to replace the battery in the 80, and reccomendations for a big powerful battery that will still fit?
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Old 09-18-2010, 11:50 AM
pmccumber pmccumber is offline
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I have this one:
http://www.sears.com/shc/s/p_10153_12605_02850034000P
Lots of room.

Lots of people like the group 31s (mud folks are almost unanimous) but they are a little tougher to fit.

If I did it again, I'd probably try to stuff that guy in there:
http://forum.ih8mud.com/80-series-te...group-31m.html
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Old 09-18-2010, 12:26 PM
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My group 31 blue top optima fit easy but after reading reviews of the new optima's I would not go down that road again. Mine is an older made in USA battery. Its been working strong 4 years now. I guess the new ones are made in Mexico and suffer from poor quality control.

My next (2nd) will either be the Die Hard Marine group 31 or a Deka Intimidator group 31.

http://www.sears.com/shc/s/p_10153_1...1&blockType=G1

http://www.dekabatteries.com/assets/base/1143.pdf
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Old 09-18-2010, 12:49 PM
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Quote:
Originally Posted by pmccumber View Post

I have the same one
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Old 09-18-2010, 03:13 PM
Rock Dog Rock Dog is offline
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Thanks Guys,
I just read a ton of posts about the Group 31 Diehard, and the great experiences people have with them.. i did not realize they had so many cold cranking amps, and had such a long reserve.. the small amount of trimming on the 3 fins that was needed to shoehorn it in seems well worth it... I also found the Deka was using the same technology... so whichever of the 2 i get the better deal on will go in!!! Thanks again!
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Old 09-18-2010, 03:25 PM
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other thing to consider on the two is warranty. which one will be easier to replace on road or at home if need be? Probably the Die Hard
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Old 09-18-2010, 03:51 PM
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D3100
Weight Lbs. 77.00
Weight Kgs. 35.00

Length 13.03 in
Height 8.43 in
Width 6.89 in

MAX Amps 5000
Ah 110

I know a few folks using these batteries
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Old 09-18-2010, 03:53 PM
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http://4xspower.com/
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Old 09-19-2010, 02:02 AM
Rock Dog Rock Dog is offline
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I picked up the DieHard Marine Battery, Platinum PM-1 - Group Size 31M. My friends mother get's a good discount on Sears stuff (worked there for over 20 years), so i had her pick it up for me. Trimmed the 3 Fins per the threads on Ih8mud, and it droppes in like a champ, real tight fit... Need to make the new bracket, and manipulate the positive wires so they extend to the new positive post...... but it is big (like 70+ lbs), 1150 CCA, and a 3 hr reserve is way cool!

Cheers,
Neil.
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Old 09-19-2010, 12:25 PM
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reserve is the most important thing to consider. especially on newer electronic vehicles. i wouldn't go for high ccas. 450cca is factory and they work just fine in this area of the country, so i would stay in the 450 to 750. to get higher ccas, you need more plates. to get more plates to fit in a battery means thinner plates and less acid. acid keeps the battery cool and heat kills batteries. thin plates are more prone to breakage through vibration, which kills batteries.
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