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  #85  
Old 07-12-2015, 09:24 PM
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Re: WK2 - New battery type and location

The battery is one of the heaviest components in the car, just try lifting one. Locating it as low as possible substantially improves cornering stability. The old VW beetles had them under the rear seat.

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  #86  
Old 07-13-2015, 08:47 AM
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Re: WK2 - New battery type and location

Many thanks to you all for the battery information. Old ignorant fart here still learning from the knowledgeable. I appreciate your input.
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  #87  
Old 07-13-2015, 10:02 AM
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Re: WK2 - New battery type and location

You don't have to remove the passenger seat. Just move it all the way forward, and tilt it all the way forward. Then there is plenty of room to service the battery.
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  #88  
Old 07-13-2015, 10:40 AM
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Re: WK2 - New battery type and location

Also, as has been previously noted, the JGC is not unique at all with this battery placement...
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  #89  
Old 07-14-2015, 04:29 PM
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Yep, not new. Mercedes has been doing it since the early 90's. My E430 has a big ol' group 49 lead acid under the back seat. It's vented to the outside with a small tube. With the W211 chassis in 2003 they started using AGM's.
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  #90  
Old 07-22-2015, 01:10 PM
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Re: WK2 - New battery type and location

$270 clams for OEM battery!
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  #91  
Old 07-22-2015, 01:58 PM
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Re: WK2 - New battery type and location

$198

List: Search for 'battery - automotive' | O'Reilly Auto Parts
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  #92  
Old 07-24-2015, 12:53 PM
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Re: WK2 - New battery type and location

I still don't buy the notion that the battery is placed under the seat for handling. It only weighs 50 lbs. If you put a 200 lb passenger in the jeep it negates any "balance" a 50 lb battery might give you.
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  #93  
Old 07-24-2015, 01:14 PM
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Re: WK2 - New battery type and location

Quote:
Originally Posted by peckmv View Post
I still don't buy the notion that the battery is placed under the seat for handling. It only weighs 50 lbs. If you put a 200 lb passenger in the jeep it negates any "balance" a 50 lb battery might give you.
Agreed, suspect is more likely just no good place to put it under a very crowded engine compartment. I wouldn't guess presumed climate control in passenger compartment would be a reason either.
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  #94  
Old 07-24-2015, 01:20 PM
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Re: WK2 - New battery type and location

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Originally Posted by lstowell View Post
Agreed, suspect is more likely just no good place to put it under a very crowded engine compartment. I wouldn't guess presumed climate control in passenger compartment would be a reason either.
I thought that too but the passenger compartment gets well over 150 degrees just sitting on a hot day. I believe that space was the main factor.
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  #95  
Old 07-24-2015, 01:35 PM
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Re: WK2 - New battery type and location

My 2001 BMW 740i has its battery located just aft of the right rear wheel, accessible via a hatch in the trunk.

Helps with better weight distribution, and that leads to better handling.

I'm not concerned at all with the location under the passenger seat in the WK2.


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  #96  
Old 07-24-2015, 09:57 PM
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Re: WK2 - New battery type and location

Quote:
Originally Posted by peckmv View Post
I still don't buy the notion that the battery is placed under the seat for handling. It only weighs 50 lbs. If you put a 200 lb passenger in the jeep it negates any "balance" a 50 lb battery might give you.
There is a big difference in having 50lbs under the floor than having it high up in the engine bay. Angular moment of inertia is proportional to mr2. In this case one could call the angular moment of inertia the overturning force. "m" is the mass of the battery, "r" is the radius or in this case, the distance above the ground. Because "r" is squared it means that if the battery were twice as high, the overturning force would be 4 times as great. On my car, the centre of the battery is about 0.5m high. In the traditional location, it would be about 1.1m high so the overturning force would be 4.8 times as great. They don't build sports cars low to the ground just for looks.
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