AGM Batteriy in Nissan Patrol

Is anyone aware of any issues as a result of fitting an AGM battery (32 kg) in an ARB auxiliary battery tray? GU Series IV which is used extensively off road. I'm sure the tray will handle the weight but my concern is the mounting points.
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Reply By: TerraFirma - Wednesday, Jan 28, 2009 at 13:46

Wednesday, Jan 28, 2009 at 13:46
I'm not aware of any issues however there seems to be concern from various people over the weight off the batteries, the AGM's would weigh around 6-8KG heavier than the wet cells.? Apparently some people have cracked this area but only during serious bump to bump off road.?

It would be wise to strengthen the tray if you foresee some serious off road use.
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Follow Up By: Stevo - Wednesday, Jan 28, 2009 at 14:27

Wednesday, Jan 28, 2009 at 14:27
The tray itself is very well engineered. It's the mountiing points on the guard that concerns me.
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Follow Up By: Member - Roachie (SA) - Wednesday, Jan 28, 2009 at 16:37

Wednesday, Jan 28, 2009 at 16:37
Not sure if the series 4 aux batt set-up is much different to the series 2 etc.... but I'd be reluctant to fit a 2nd full-size battery (AGM or wet cell or whatever) in the under-bonnet position.

My 1st GU (2000 model) had a wet cell mounted in a cradle right behind the air cleaner. I'm not into rough driving, but did take the rig to Cape York twice....and there are one or 2 patches of corrogations up that way.

My GU suffered from torn inner guards, both the base and the side. The tray that was fitted to mine utilised about 5 of the factory captive nuts....they all broke away on the surrounding metal.

Eventually, I fitted a 35kg AGM (Fullriver 120a/h HGL) inside the rear of the Patrol, behind the cargo barrier in the area of the footwell of the passenger's side 3rd row. I connected it via a heavy pair of cables using a Anderson Plug arrangement.
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Reply By: madcow - Wednesday, Jan 28, 2009 at 14:04

Wednesday, Jan 28, 2009 at 14:04
Out of curiosity what battery were you considering?
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Follow Up By: Stevo - Wednesday, Jan 28, 2009 at 14:26

Wednesday, Jan 28, 2009 at 14:26
Fullriver 100ah
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Reply By: JR - Wednesday, Jan 28, 2009 at 14:10

Wednesday, Jan 28, 2009 at 14:10
The inner guard supporting it all can (and will) crack if you do any sort of rough work
Some trays are worse than others depending on how they are mounted
Theres not much you can do to stregthen it up, maybe spread the load a bit with plates or washers.
Mine never broke but were all cracked around bolt holes when the tray was removed at sale
Heavier bat will make it worse, I used N70ZZ Severe services which are around 26kg i think???
JR
AnswerID: 346338

Reply By: Member - RFLundgren (WA) - Wednesday, Jan 28, 2009 at 15:32

Wednesday, Jan 28, 2009 at 15:32
I had a Fullriver AGM under the bonnet on a custom tray with extra support and it survived the Gunbarrel quite well with no movement or cracking to be seen on, near or around the tray.

The battery on the other hand lasted less than 12 months. I was told when I purchased it that it is not recommended to put an AGM under the bonnet due to the amount of heat, which they don't like.

Of course I didnt listen, so off I went when we got into Alice to purcjase a new deep cycle battery to replace the Fullriver. So far so good and if I can get 5 - 6 years out of my new wet cell as I did the old one, then it's a bargin at half the price of the AGM, not to mention less weight.

JMHO

Cheers

Cheers

Richard

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AnswerID: 346361

Follow Up By: kevanancy - Wednesday, Jan 28, 2009 at 16:42

Wednesday, Jan 28, 2009 at 16:42
I went looking for a new deep cycle recently and was keen on the AGM types but was also told by each supplier I visited that if I put it under the bonnet they would not honour the warranty as they can't handle the heat .
Kevanancy
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Follow Up By: Member - RFLundgren (WA) - Wednesday, Jan 28, 2009 at 16:58

Wednesday, Jan 28, 2009 at 16:58
Yes I was also told the same thing, although one of them said they would warranty it for 12 months only. Me being me I went ahead in any case and of course killed the battery. Such is life and lesson learnt I guess.

Cheers

Richard

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Reply By: Stevo - Wednesday, Jan 28, 2009 at 17:30

Wednesday, Jan 28, 2009 at 17:30
Thanks very much for your advice guys. That's exactly the sort of info I was seeking. I'll stick to the Exide Extreme (5 years out of the last one).
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Reply By: Tony MD - Wednesday, Jan 28, 2009 at 17:47

Wednesday, Jan 28, 2009 at 17:47
Full river 90 ah battery in an ARB cradle mounted under the bonnet of my 80 series 1HZ lasted 2 years. Too hot& too heavy.
The cradle split down the side due to the factory mounts on the top & side of the front guard breaking away whilst on the Anne Beadell Hwy.
The AGM battery exceeded the ARB loading by 5kg. The cradle would probably have remained intact if the mounting points hadn't failed! My fault.

Cheers, Tony.

AnswerID: 346390

Reply By: PatrolSTL04 - Thursday, Jan 29, 2009 at 00:40

Thursday, Jan 29, 2009 at 00:40
Stevo,

I have had a Trojan 105ah under the Bonnet, and this is heavier than my AGM's in the camper trailer.

4 years of touring the north of WA, lots of corrugations on the CSR...no cracks or issues....might have been lucky from the sounds of things.

Brety....
AnswerID: 346498

Reply By: PatrolSTL04 - Friday, Jan 30, 2009 at 12:04

Friday, Jan 30, 2009 at 12:04
Followup note about AGM's under the bonnet.

AGM Australia have confirmed if it goes over 50 degrees, then the recommend the AGM batteries not to be used under the bonnet....and with heat build up it is likely to exceed this.

Brett.....
AnswerID: 346721

Follow Up By: Stevo - Friday, Jan 30, 2009 at 12:10

Friday, Jan 30, 2009 at 12:10
Thanks Brett
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