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  #13  
Old 06-10-2010, 10:12 AM
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Re: WK2 - New battery type and location

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Originally Posted by White WK Swagga View Post
Well it'll make it easier to run cables for stereo systems.
lol!!!!!!!!
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Old 06-10-2010, 10:14 AM
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Re: WK2 - New battery type and location

$494 + installation?!!! What is the life expectancy of these batteries supposed to be?
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Old 06-10-2010, 10:25 AM
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Re: WK2 - New battery type and location

Oh jeeez guys get over it!!!! its 500 bucks, you plan to spend 35-55 grand on a NEW SUV!!!

shit, its a cool idea, and its different....modern age people, modern technology!!

jeeeeeeez
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Old 06-10-2010, 10:33 AM
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Re: WK2 - New battery type and location

http://www.windsun.com/Batteries/Battery_FAQ.htm

AGM, or Absorbed Glass Mat Batteries

A newer type of sealed battery uses "Absorbed Glass Mats", or AGM between the plates. This is a very fine fiber Boron-Silicate glass mat. These type of batteries have all the advantages of gelled, but can take much more abuse. We sell the Concorde (and Lifeline, made by Concorde) AGM batteries. These are also called "starved electrolyte", as the mat is about 95% saturated rather than fully soaked. That also means that they will not leak acid even if broken.

AGM batteries have several advantages over both gelled and flooded, at about the same cost as gelled:

Since all the electrolyte (acid) is contained in the glass mats, they cannot spill, even if broken. This also means that since they are non-hazardous, the shipping costs are lower. In addition, since there is no liquid to freeze and expand, they are practically immune from freezing damage.

Nearly all AGM batteries are "recombinant" - what that means is that the Oxygen and Hydrogen recombine INSIDE the battery. These use gas phase transfer of oxygen to the negative plates to recombine them back into water while charging and prevent the loss of water through electrolysis. The recombining is typically 99+% efficient, so almost no water is lost.

The charging voltages are the same as for any standard battery - no need for any special adjustments or problems with incompatible chargers or charge controls. And, since the internal resistance is extremely low, there is almost no heating of the battery even under heavy charge and discharge currents. The Concorde (and most AGM) batteries have no charge or discharge current limits.

AGM's have a very low self-discharge - from 1% to 3% per month is usual. This means that they can sit in storage for much longer periods without charging than standard batteries. The Concorde batteries can be almost fully recharged (95% or better) even after 30 days of being totally discharged.

AGM's do not have any liquid to spill, and even under severe overcharge conditions hydrogen emission is far below the 4% max specified for aircraft and enclosed spaces. The plates in AGM's are tightly packed and rigidly mounted, and will withstand shock and vibration better than any standard battery.

Even with all the advantages listed above, there is still a place for the standard flooded deep cycle battery. AGM's will cost 2 to 3 times as much as flooded batteries of the same capacity. In many installations, where the batteries are set in an area where you don't have to worry about fumes or leakage, a standard or industrial deep cycle is a better economic choice. AGM batteries main advantages are no maintenance, completely sealed against fumes, Hydrogen, or leakage, non-spilling even if they are broken, and can survive most freezes. Not everyone needs these features.
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  #17  
Old 06-10-2010, 10:42 AM
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Re: WK2 - New battery type and location

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Originally Posted by KlutcH View Post
Oh jeeez guys get over it!!!! its 500 bucks, you plan to spend 35-55 grand on a NEW SUV!!!

shit, its a cool idea, and its different....modern age people, modern technology!!

jeeeeeeez
Good idea yes, bad spot to put it
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  #18  
Old 06-10-2010, 10:44 AM
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Re: WK2 - New battery type and location

Quote:
Originally Posted by JBaumgart View Post
http://www.windsun.com/Batteries/Battery_FAQ.htm

AGM, or Absorbed Glass Mat Batteries

A newer type of sealed battery uses "Absorbed Glass Mats", or AGM between the plates. This is a very fine fiber Boron-Silicate glass mat. These type of batteries have all the advantages of gelled, but can take much more abuse. We sell the Concorde (and Lifeline, made by Concorde) AGM batteries. These are also called "starved electrolyte", as the mat is about 95% saturated rather than fully soaked. That also means that they will not leak acid even if broken.

AGM batteries have several advantages over both gelled and flooded, at about the same cost as gelled:

Since all the electrolyte (acid) is contained in the glass mats, they cannot spill, even if broken. This also means that since they are non-hazardous, the shipping costs are lower. In addition, since there is no liquid to freeze and expand, they are practically immune from freezing damage.

Nearly all AGM batteries are "recombinant" - what that means is that the Oxygen and Hydrogen recombine INSIDE the battery. These use gas phase transfer of oxygen to the negative plates to recombine them back into water while charging and prevent the loss of water through electrolysis. The recombining is typically 99+% efficient, so almost no water is lost.

The charging voltages are the same as for any standard battery - no need for any special adjustments or problems with incompatible chargers or charge controls. And, since the internal resistance is extremely low, there is almost no heating of the battery even under heavy charge and discharge currents. The Concorde (and most AGM) batteries have no charge or discharge current limits.

AGM's have a very low self-discharge - from 1% to 3% per month is usual. This means that they can sit in storage for much longer periods without charging than standard batteries. The Concorde batteries can be almost fully recharged (95% or better) even after 30 days of being totally discharged.

AGM's do not have any liquid to spill, and even under severe overcharge conditions hydrogen emission is far below the 4% max specified for aircraft and enclosed spaces. The plates in AGM's are tightly packed and rigidly mounted, and will withstand shock and vibration better than any standard battery.

Even with all the advantages listed above, there is still a place for the standard flooded deep cycle battery. AGM's will cost 2 to 3 times as much as flooded batteries of the same capacity. In many installations, where the batteries are set in an area where you don't have to worry about fumes or leakage, a standard or industrial deep cycle is a better economic choice. AGM batteries main advantages are no maintenance, completely sealed against fumes, Hydrogen, or leakage, non-spilling even if they are broken, and can survive most freezes. Not everyone needs these features.
OK, so what is the typical life of an AGM battery? The fully rechargable even after 30 days of discharge is great, but how much longer can you go without having to change the battery when compared to gelled deep cycle batteries?
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Old 06-10-2010, 10:48 AM
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Re: WK2 - New battery type and location

Found this on that same website:

Lifespan of Batteries

The lifespan of a deep cycle battery will vary considerably with how it is used, how it is maintained and charged, temperature, and other factors. In extreme cases, it can vary to extremes - we have seen L-16's killed in less than a year by severe overcharging, and we have a large set of surplus telephone batteries that sees only occasional (5-10 times per year) heavy service that are now over 25 years old. We have seen gelled cells destroyed in one day when overcharged with a large automotive charger. We have seen golf cart batteries destroyed without ever being used in less than a year because they were left sitting in a hot garage without being charged. Even the so-called "dry charged" (where you add acid when you need them) have a shelf life of 18 months at most. They are not totally dry - they are actually filled with acid, the plates formed and charged, then the acid is dumped out.
These are some typical (minimum - maximum) typical expectations for batteries if used in deep cycle service. There are so many variables, such as depth of discharge, maintenance, temperature, how often and how deep cycled, etc. that it is almost impossible to give a fixed number.
  • Starting: 3-12 months
  • Marine: 1-6 years
  • Golf cart: 2-7 years
  • AGM deep cycle: 4-7 years
  • Gelled deep cycle: 2-5 years
  • Deep cycle (L-16 type etc): 4-8 years
  • Rolls-Surrette premium deep cycle: 7-15 years
  • Industrial deep cycle (Crown and Rolls 4KS series): 10-20+ years
  • Telephone (float): 2-20 years. These are usually special purpose "float service", but often appear on the surplus market as "deep cycle". They can vary considerably, depending on age, usage, care, and type.
  • NiFe (alkaline): 5-35 years
  • NiCad: 1-20 years
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  #20  
Old 06-10-2010, 11:43 AM
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Re: WK2 - New battery type and location

I dont see the problem....LOL. The seat will just be held in by 4 bolts when you do have to change it in 4-7 years
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  #21  
Old 06-10-2010, 03:58 PM
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Re: WK2 - New battery type and location

The battery sounds great & I understand that it is leaps & bounds better.
I'm just curious why move it from under the hood & why move it under the seat.
Maybe they needed to get more room under the hood & under the seat was wasted space?
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  #22  
Old 06-10-2010, 04:16 PM
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Re: WK2 - New battery type and location

its better for handling to not be in the nose.....
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  #23  
Old 06-11-2010, 02:30 AM
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Re: WK2 - New battery type and location

my moms buick has the battery under the backseat and it was a PITA to change
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  #24  
Old 04-26-2011, 01:10 AM
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Re: WK2 - New battery type and location

So how do you charge it then?
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