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  #1  
Old 05-25-2012
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Bradywgn71 Bradywgn71 is offline
(Chris)
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Join Date: Aug 2011
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Default Battery Upgrade
While searching for a replacement Group 65 battery for my GC, I ran across this lightweight alternative on Amazon. It even has free shipping!

http://www.amazon.com/Braille-Batter...d_rhf_ee_p_t_4

Theksmith could use 2 of these for his dual battery set up for less than the weight of one normal battery!
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  #2  
Old 05-25-2012
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Number7 Number7 is offline
(George)
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Default Re: Battery Upgrade
Looks like a nice battery but the $2,279 price is a little steep. George
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'00 TJ 2.5L LowOutput w/5 spd.
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  #3  
Old 05-25-2012
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dzJeepChic dzJeepChic is offline
(Diane) (KD7JPC)
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Default Re: Battery Upgrade
I'm curious to know how long the lithium-ion is expected to last in comparison to regular automotive batteries? I replace mine every 2 years whether it needs it or not because I don't want to be out in the middle of nowhere and hear that tale tale 'click click click click' when I turn the key. At a rate of about $75 (less depending on the pro-rate) the lithium-ion would need to last more than 27 (whoops, make that 30) years to be cost effective.
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Last edited by dzJeepChic; 05-25-2012 at 05:50 PM. Reason: Re-calculated the 'would need to last time' for break-even
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  #4  
Old 05-25-2012
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theksmith theksmith is offline
(Kristoffer) (K1KRS)
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Default Re: Battery Upgrade
i've heard of Braille before, i have a friend that was considering one of their carbon fiber batteries for his souped up Subaru.

they have some more affordable models. this one competes on price with other quality AGM batteries like Odyssey: http://www.braillebattery.com/index....tteries/b6034#


D - those lithium ion ones are premium race car batteries that are meant to be super light weight. this one is only 6 pounds but still has over 600 cold cranking amps: http://www.braillebattery.com/index.php/batteries/ml9c - i have no idea what you would need over 2,000 cranking amps for though (the one that Chris linked too)!
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  #5  
Old 06-07-2012
Doctor W Doctor W is offline
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Location: Sydney, NSW,& Cairns Queensland Australia
Vehicle: 1997 Jeep Grand Cherokee Limited
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Default Re: Battery Upgrade
I purchased an AGM type battery, Dual Purpose, 75Amp Hours, 580 CCA for my 1997 ZJ Limited......I've had it for a year and a quarter so far (2 Year Full Replacment Warranty)....It just fits into the standard battery tray (only just!).....and it's been great!.....When I go out bush camping here in Northern Australia it has thus far not required me to fit a second battery, although a dual system is in the future planning.

I've mounted a digital Voltmeter that reads to one decimal place and find that if I don't go below 12.1V under normal circumstances I can always start the car after about 24 hours use of occasional interior lights, 4 - 9 hours use of laptop (via a multi volt converter that gives me 19V) for PC, and /or TV, and/or DVD.

A large permanently fixed to the roof (between the factory roof rails, in front of my roof basket) 80 Watt Photovoltaic panel is planned - then I can run my Waeco when stopped, not just when running or for judiciously monitored periods when parked up.

Currently I recharge the battery via the standard 138 Amp Jeep alternator by idling for an hour or of course when leaving camp.

I'm really very happy with my AGM, I can't remember the brand but it's a good Chinese made (if that's possible...lol) to Australian design and specification similar to the Full River (??) brand. I chose it over an Optima because the odd spiral shape of the Optima results in a lower Amp/Hour rating when compred to the size of the footprint of the two batteries......55 A/H versus 75A/H and the construction method of lead plates within fibreglass still gives very high strenght and the warranty is very good with great after sales service and advice etc from the Australian makers.
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  #6  
Old 06-11-2012
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Desert 4x4 Desert 4x4 is offline
(John)
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Default Re: Battery Upgrade
I went down and bought a Sears Diehard Platinum $200.00 it has a 4 year free replacement and after that it is 4 years pro rate so total of 8 year warranty ! I went to the casino to lose all my money and left my headlights on for 8 hours Cranked it over and started right up ...i believe that the battery is made by Odyssey with Diehard name ??
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Old 06-11-2012
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theksmith theksmith is offline
(Kristoffer) (K1KRS)
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Default Re: Battery Upgrade
Originally Posted by Desert 4x4 View Post
i believe that the battery is made by Odyssey with Diehard name ??
yup. i run them too, can't beat the value.
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