G37 Sedan

What Battery???

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Old Oct 21, 2011 | 09:32 AM
  #1  
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What Battery???

Hey guys so my battery is going bad and I wanted to know which ones are people replacing the factory one with? if it a yellow or red top can you let me know if I need anything extra for install??
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Old Oct 21, 2011 | 09:58 AM
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novaleadfoot
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From: Fairfax, VA
Originally Posted by xclusive
Hey guys so my battery is going bad and I wanted to know which ones are people replacing the factory one with? if it a yellow or red top can you let me know if I need anything extra for install??
something I found online:

Optima quality has gone down hill since Johnson Controls purchased the company and moved production out of the USA. Just get a Diehard Platinum...it's more expensive but it was the top rated battery in Consumers Reports test for the last 2-3 years....it is an AGM battery, and actually a identical rebadged Odyssey made in the USA by Enersys corporation for Sears- quite a bargain considering the identical Odyssey pc 1500 retails for 300-350$$ 4 year full exchange warranty and 100 month prorate
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Old Oct 21, 2011 | 10:42 AM
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rpm&my_G35
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From: Waterloo, Ont.
How old is your original battery (what year is your G)?
You may have warranty coverage as well. Check the Warranty Information Booklet. It starts at 48months/60,000miles and is prorated from that point.
I've always heard great things about the redtop but never saw the info posted above, by novaleadfoot.
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Old Oct 21, 2011 | 11:07 AM
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Originally Posted by xclusive
Hey guys so my battery is going bad and I wanted to know which ones are people replacing the factory one with? if it a yellow or red top can you let me know if I need anything extra for install??
Unless you have a need for it, the Optima's can be skipped. This is what i replaced the OEM's with on the G (sedan).



My how-to, it's really very simple.
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Old Oct 21, 2011 | 02:53 PM
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Nice thanks for the help guys ... Great write up too soundmike!!!
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