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  #25  
Old 04-26-2011, 01:46 AM
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Re: WK2 - New battery type and location

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Originally Posted by Redcivic47 View Post
So how do you charge it then?
Terminals under the bonnet for jump starting could be used for charging.

had a AGM for starting for 6 years now in my WG/WJ.
And an Optima AGM for a second fridge battery for 5 years.

Optima are very popular with the audio guys. And seem to be a great battery.

I would think moving the battery under the seat would help protect it from the extreme cold and heat.
And lower the centre of gravity.
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  #26  
Old 04-26-2011, 02:03 AM
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Re: WK2 - New battery type and location

But the first page of the thread says you can't charge it with a conventional charger.
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  #27  
Old 04-26-2011, 10:21 AM
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Re: WK2 - New battery type and location

Battery Tender has a model suitable for AGM batteries on Amazon. It's a good set-up to have connected and use for keeping things charged and ready to go for those moments that just can't wait. You know the kind.
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  #28  
Old 04-26-2011, 10:42 AM
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Re: WK2 - New battery type and location

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Originally Posted by fireron View Post
Battery Tender has a model suitable for AGM batteries on Amazon. It's a good set-up to have connected and use for keeping things charged and ready to go for those moments that just can't wait. You know the kind.
Ditto. The "Plus" models I have are all AGM rated. I've got a motorcycle battery going on it's 8th year of service thanks to always keeping it on a Battery Tender when not in use. When I travel for a week or two (flying) I'll throw the WK2 on a Battery Tender Plus to ensure a long service life.
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  #29  
Old 04-26-2011, 11:54 AM
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Re: WK2 - New battery type and location

I have an Exide roll-around unit with 2/40 amp charging and 200 amps for jumps. It's been used successfully on all manner of trucks, SUVs, cars and tractors, but never with AGM batteries.

From what's been implied in this thread, is it harmful to use a charger like this, or to jump start a vehicle, with an AGM battery?
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  #30  
Old 04-26-2011, 12:52 PM
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Re: WK2 - New battery type and location

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Originally Posted by Lingohocken View Post
I have an Exide roll-around unit with 2/40 amp charging and 200 amps for jumps. It's been used successfully on all manner of trucks, SUVs, cars and tractors, but never with AGM batteries.

From what's been implied in this thread, is it harmful to use a charger like this, or to jump start a vehicle, with an AGM battery?
This is a good read: http://batterytender.com/resources/f...sked-questions

I cannot answer as to if your Exide charger is acceptable for AGM batteries. However, never use a battery charger that does not specifically state it can be used with AGM batteries. AGM batteries require a different charging method (controlled by an "intelligent" charger) than the standard lead acid car batteries. An improper charger can ruin the cells of an AGM battery; improper charging is also a common cause of early failure for standard lead acid batteries, not just the AGM type.

edit: Forgot to add that yes it is safe to jump start an AGM battery-equipped vehicle (safer than the wet cell lead acid types).
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  #31  
Old 04-26-2011, 03:31 PM
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Re: WK2 - New battery type and location

Thanks. The Exide is an old timer, about as intelligent as a brick.
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  #32  
Old 04-26-2011, 03:47 PM
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Re: WK2 - New battery type and location

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Originally Posted by ekaz View Post
Good idea yes, bad spot to put it
Actually, it's a great spot to put it. Excessive heat under the hood is the main reason why batteries fail. The Germans figured this out long ago (BMW, Audi). My mid-nineties BMW 540 went for 8+ years on the original battery before I sold it. Putting it under the drivers seat gets the weight really low, puts the battery away from the heat, and minimizes cable length (compared to putting it in back). I really could care less if it takes a little longer to change the battery every 8 years or so. All things considered, it's much smarter than putting it under the hood. I would be surprised if most WK2 owners ever need to change the battery.
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  #33  
Old 04-26-2011, 04:15 PM
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Re: WK2 - New battery type and location

^^ Ditto, my volve battery was in the trunk, and it was a 02 and I sold it in 2010 with the original battery. Went through an alternator but not a battery.. Loved it in the trunk for optimum SUB wiring.. haha
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  #34  
Old 10-01-2011, 10:37 PM
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Re: WK2 - New battery type and location

New member, and hello to all, but I have three questions about my 2011 GC Overland:

1.) Will giving or receiving a "jump" cause a problem with the new battery type?

2.) What kind of charger do I have to buy to replace my current lead acid battery charger?

3.) How do you remove the plastic cover from the "hot" jumper cable connection point?

I had my wife bring the new Jeep to work one night because my 1994 jeep battery was dead, and was really surprised when I popped the hood. Fortunately, got a jump that night from a friend.

I have found the information manuals that come with the jeep to be no more useful than their marketing literature. This searching for any useful information started with trying to figure out the programming for the computer/entertainment/GPS and has now expanded into the mechanicals. But that's a discussion for another thread.

Appreciate any info you can give.
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  #35  
Old 10-02-2011, 01:04 AM
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Re: WK2 - New battery type and location

See the JG thread on getting the right and proper printed manuals -- three are available for the WK2. (Unfortunately, the full service manual isn't available.) But from what I've read and been told, jumping it is no problem. I've read pros and cons about different types of trickle chargers for AGM batteries, but at this juncture I plan to continue using my veteran rollaround Exide charger at the 40A setting to perk up a flagging battery.

For trickle charging if you leave your GC garaged unused for weeks on end, you might want to consider a floating type. A site for this www.batterytender.com isn't coming up tonight, but was working a couple of weeks back.

What seems odd is placing the battery under the seat. On the V6, at any rate, there's gobs of room in front of the engine to put in several batteries.
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  #36  
Old 10-02-2011, 09:15 AM
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Re: WK2 - New battery type and location

Quote:
Originally Posted by mjdelpe View Post
New member, and hello to all, but I have three questions about my 2011 GC Overland:

1.) Will giving or receiving a "jump" cause a problem with the new battery type?

2.) What kind of charger do I have to buy to replace my current lead acid battery charger?

3.) How do you remove the plastic cover from the "hot" jumper cable connection point?

I had my wife bring the new Jeep to work one night because my 1994 jeep battery was dead, and was really surprised when I popped the hood. Fortunately, got a jump that night from a friend.

I have found the information manuals that come with the jeep to be no more useful than their marketing literature. This searching for any useful information started with trying to figure out the programming for the computer/entertainment/GPS and has now expanded into the mechanicals. But that's a discussion for another thread.

Appreciate any info you can give.
Jumping procedure is nearly identical to the traditional battery method using the under hood positive and negative posts. The positive plastic cap just flips open. While there are AGM style chargers, you can still use your existing charger, but as said above, older style chargers may not shut off once the battery is fully juiced so a newer charger may be useful.

+1 to the AGM battery advantages and the new location away from engine bay heat. Generally, these are the best batteries available and are expensive to produce. They don't leak even if broken, give off no fumes, do not heat during recharging, and have very slow discharge rates when sitting dormant (2-3%/monthly). My guess is we'll be replacing these AGM's quite a bit less than a traditional cell. YMMV.
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