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Old 12-11-2009, 06:41 PM   #1
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Battery

The battery in my 04 is the original battery, now we all know batteries never give a sign when they are about to die. Would it be a wise idea to replace the battery at the end of the month when I do my PM service? Thanks

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Old 12-11-2009, 06:48 PM   #2
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ABSOLUTELY!!!!! The original in my 06 left me stranded in the middle of nowhere. No cell signal and no one around to help. Better safe then sorry. BTW you are right, there are no warnings.

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Old 12-11-2009, 06:53 PM   #3
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i dunno what you have in/on your jeep right now, butttt if you're thinking about a winch and other power modifications, look into a gel cell battery. i wish i had gone that route last fall.
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Old 12-11-2009, 07:10 PM   #4
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The battery in my old 99 TJ was still ok in 2006 when I sold it.
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Old 12-11-2009, 07:18 PM   #5
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The battery in my old 99 TJ was still ok in 2006 when I sold it.
dido, the battery i put in last fall replaced the one from the factory back from 97.
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Old 12-11-2009, 07:20 PM   #6
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my 99 still has original
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Old 12-11-2009, 07:32 PM   #7
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You can have the battery tested and measured to determine what the condition actually is
rather than "guess"....
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Old 12-11-2009, 07:36 PM   #8
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I could have it tested, I appreciate all the input. Usually when they go it is like in your case JD. Or in the middle of a raging blizzard.
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Old 12-11-2009, 07:49 PM   #9
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Kudos to you for thinking ahead! Replace it now... not when it leaves you dead in the water at the worst possible time.
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Old 12-13-2009, 12:03 AM   #10
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I just replaced the battery in my 03 a couple of months ago. You can test the battery if you want, but when its time for it to go, it goes with out warning in most cases. They tend to go when its very cold outside, or very hot. I decided to change mine because i didn't want to be changing the battery when its -20 with a 20mph wind blowing .... thats no fun.
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Old 12-13-2009, 02:22 PM   #11
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The OEM battery in my Dakota has gone for 9 years so far and still tests strong. The TJ however only last 7 before she went kaput. Replaced it with an Optima Red Top and haven't looked back.
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Old 12-13-2009, 02:27 PM   #12
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i dunno what you have in/on your jeep right now, butttt if you're thinking about a winch and other power modifications, look into a gel cell battery.
None of the batteries we use in our Jeeps and 99.99% of cars are gel cell batteries. Not Optima, not Odyssey, not Exide Orbital, not Diehard Platinum. All of those are "AGM" batteries which is a completely different technology from gel cell batteries. In fact, very few automotive applications exist for a true gel cell battery. Plus a true gel cell battery requires a special charger not found in our Jeeps and most cars. A true gel cell battery's biggest drawback is its high internal resistance which means it cannot provide much current (why it's not a good automotive battery except for tiny engines) and it can't be charged at any rate but a very slow low-amperage rate.
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Old 12-13-2009, 02:51 PM   #13
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ignore that then i got caught in a conversation with somebody a while back talking about batteries, weather, cold starts and whatnot.. they got me thinking gel battery is the way to go! to be honest it was the first time i've heard of using them and i probably should have kept my mouth shut about looking at them since i don't even know anything about em. i think the guy said that the battery is able to withstand more extreme temps and he planned to run it just for his winch.
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Old 12-13-2009, 06:40 PM   #14
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Trust me, the battery he was describing as able to withstand extreme temps and suitable for his winch was not a gel cell. He might have thought it was but it wasn't. Gel cell batteries cannot provide the hundreds of amperes (>400 amps at full load) a winch can draw. It was most likely an AGM (absorbed glass mat) that some incorrectly think is a gel cell battery.
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Old 12-13-2009, 06:58 PM   #15
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I carry a small jump box just in case
during the winter.
Replace if its getting tired ,you should be able to
tell by how it turns over
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Old 12-13-2009, 07:23 PM   #16
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ya i have one too!
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Old 12-13-2009, 09:14 PM   #17
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My stock 03 Blazer's battery is still kicking and kicking strong. If you do need/decide to replace your battery, I strongly recommend an Optima. A little more expensive but well worth it. Three year unconditional replacement, three years after that pro rated. But chances are you will not need that warranty with an Optima. My Toyota rockcrawler is sitting with an 8 year old Optima and still going strong.
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Old 12-13-2009, 11:08 PM   #18
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my 97 still has original and only 72000
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Old 12-13-2009, 11:27 PM   #19
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Since any battery can fail without warning - or you can drain it too far with a winch - and leave you stranded somewhere "inconvenient," I installed a second battery. I put in a small lawn tractor battery because of the physical size. It starts the Ruby fine, it just won't crank forever. It also serves to use in series for 24 volts for my Ready Welder.

It's mounted next to the engine on the right side, just behind the On-Board-Air compressor. I fabbed up a try for it.

Pics available if you want.
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Old 12-14-2009, 12:57 AM   #20
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If you do need/decide to replace your battery, I strongly recommend an Optima. A little more expensive but well worth it. Three year unconditional replacement, three years after that pro rated. But chances are you will not need that warranty with an Optima.
After three Optimas that all failed prematurely in about 8 years, two Yellows and one Blue Top, I wish I could agree with that. After having been a very vocal Optima supporter, I gave upon them. I am totally done with Optima and switched over to an Odyssey battery sold by Sears in a Diehard Platinum case.
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Old 12-14-2009, 08:26 AM   #21
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so for running a winch and lights, a die hard platinum would be a good choice?
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Old 12-14-2009, 09:00 AM   #22
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Quote:
Originally Posted by Jerry Bransford View Post
Trust me, the battery he was describing as able to withstand extreme temps and suitable for his winch was not a gel cell. He might have thought it was but it wasn't. Gel cell batteries cannot provide the hundreds of amperes (>400 amps at full load) a winch can draw. It was most likely an AGM (absorbed glass mat) that TOO MANY incorrectly think is a gel cell battery.
fixed it.

Quote:
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so for running a winch and lights, a die hard platinum would be a good choice?
yup, those are good batteries.


Just a note to all these fears of being stranded...if you have a manual gear box, and a little muscle, you won't be left stranded by a dead battery. I can't say how many times I've push started vehicles.
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Old 12-14-2009, 11:18 AM   #23
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Just a note to all these fears of being stranded...if you have a manual gear box, and a little muscle, you won't be left stranded by a dead battery. I can't say how many times I've push started vehicles.
Same here but that won't work on a TJ if the battery is truly dead. The alternator used in the TJ needs 12 volts from the battery to put any power out and if the battery is dead, it can't put any power out so there will be no spark generated. Same for the Grand Cherokee. My wife's Grand Cherokee battery went completely dead and it would only run a few minutes at a time after jump starting it until the alternator's magnetic field would collapse. We had to jump start her JGC 6 times on the way to the store to buy a battery, it would die every quarter to half mile or so. You can push-start a TJ that has a completely dead battery all you want but it won't start. If the battery is just too weak to start it but has enough power for the alternator, then yes it can be push-started... just not if the battery is totally dead.

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