AGM Battery - Deep Cycle of General?

Submitted: Friday, Feb 24, 2006 at 12:37
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I'm looking at getting an AGM battery for the campertrailer but do I go for the deep cycle or general use one? Those of you that have an AGM installed, what have you used?

Thanks

Peter
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Reply By: Member - greg S (QLD) - Friday, Feb 24, 2006 at 13:17

Friday, Feb 24, 2006 at 13:17
Peter,
We just bought a second hand Cape York deluxe Explorer from Paul @ OzRoamers and are now getting another fullriver 120ah agm installed. These will go in the back to move weight behind the axle, as one is on the drawbar. We haven't used the camper just yet as it is still at Noosa getting things done to it so I can't give you info on how long they will last sorry.

greg
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Follow Up By: Peter McG (Member, Melbourne) - Friday, Feb 24, 2006 at 13:52

Friday, Feb 24, 2006 at 13:52
Greg,

There are apparently two types of Fullriver batteries - the DC (Deep Cycle) series and the HGL (General use) series. I think most are using the HGL but would be interested to hear from users. The ID is on the side of the battery.

Peter
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Reply By: Sand Man (SA) - Friday, Feb 24, 2006 at 13:25

Friday, Feb 24, 2006 at 13:25
Deep Cycle Peter.

Deep Cycle batteries are designed specifically to enable a consistent current draw to lower levels than a conventional battery.
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Reply By: drivesafe - Friday, Feb 24, 2006 at 13:51

Friday, Feb 24, 2006 at 13:51
Hi Peter McG, before you buy any specific AGM battery do a lot of research on the brand of AGM you are looking at.

Try to base your research on how you think you are going to use the battery.

There are MAJOR deference's between AGM brand types with the USA made AGMs being more expensive but more likely to last longer and tolerate abuse better than the cheaper Chinese made AGMs.

Cheers.
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Reply By: Member - Norm C (QLD) - Friday, Feb 24, 2006 at 15:10

Friday, Feb 24, 2006 at 15:10
Peter, I've got two 120AH Fullriver AGMs on the CT. One is about 12 months old, the other 9 months. Can not fault them. Apart from camping use, I regularly pull one out to run the electric motor on our fishing canoe.

Perhaps (??) you will get a better battery paying $100 to $200 more for another brand, but so far, I reckon these are the bee's knees. Time will tell. Paid $300 each for them. They are heavy suckers though at 35KG each.
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Follow Up By: Peter McG (Member, Melbourne) - Friday, Feb 24, 2006 at 15:24

Friday, Feb 24, 2006 at 15:24
Norm,

How are you charging the AGMs? I ssume from the car when connected? Has this been OK?

Thanks

Peter
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Follow Up By: Peter McG (Member, Melbourne) - Friday, Feb 24, 2006 at 15:25

Friday, Feb 24, 2006 at 15:25
Norm,

How are you charging the AGMs? I assume from the car when connected? Has this been OK? We only need the battery for lights and occasional 12v when camped and I think the AGM should do nicely.

Thanks

Peter
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Follow Up By: Member - Norm C (QLD) - Friday, Feb 24, 2006 at 15:47

Friday, Feb 24, 2006 at 15:47
Peter, check out: Charging a 3rd battery - how? - (PostID: 30628) (Answer ID 156651) currently right next to this thread.

In response to another question I gave a failry detailed description. Also check out Collyn Rivers responses on that thread.

If after reading that, you need more info, let me know.

Norm C
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Reply By: Flash - Friday, Feb 24, 2006 at 18:25

Friday, Feb 24, 2006 at 18:25
Going by the graphs on the FullRiver website, (which are in a laboratory and therefore theoretical) there's supposed to be approx a 25% improvement in cycle life with the DC series Vs the HGL series.
I went for the HGL series because...
1. It is about 5Kgs lighter (multiplied by 2 as I have two 120 A/h batteries) and
2.The price difference (which would vary from supplier to supplier) did not justify the extra cycles.
In any event, batteries often die as much from age as cycles, so I figured I'd go the HGL and replace them a bit sooner.
I'm very happy with them so far (1 year old)
Cheers
AnswerID: 156898

Reply By: scottp - Friday, Feb 24, 2006 at 19:49

Friday, Feb 24, 2006 at 19:49
Peter McG,

Talk to Tony at Offroad Obsession, I recently went through the same thoughts and chose the DC90-12 from Fullriver ($300.00). You might the battery a bit cheaper than that somewhere else, but Tony gives good service and will look after you. The deep cycle is meant for cycling applications and is the battery that you should use in your camper. For the sake of an extra $30.00 over six years or more for the expected life of the battery I thought it was the only way to go.

The HGL is more of a hybrid battery, but still has a 90 ah rating with enough cca to start moast cars.

The DC searies proberly doesn't have quite as much cca, but this is the trade off for the longer cycling life.

I have three auxillary batterys, 190 ah 1300 cca, 100ah 750 cca and now the new fullriver agm. Having enough cca to start the 05 diesel hilux was never an issue for me. Jump starting when/if the main was flat was the only reason I could think of for choosing the hgl instead of the dc.

All of my batteries will be replaced with the fullriver dc's when the begin to fail.

The Lifeline brand of battery is said to be the best agm on the market, but proberly not the most economical for the dollars.

scott
AnswerID: 156914

Follow Up By: OzRoamer - Saturday, Feb 25, 2006 at 15:06

Saturday, Feb 25, 2006 at 15:06
I back up what scottp has stated above.
Tony @ Offroad Obsession will set you straight and we are currently changing from 100Amp Hr CAT Deep Cycle to 120Amp AGM Full River on all our hire fleet. Also many new CT buyers are accepting our advice and changing to the 120Amp Full River.
Also Solar Panel Xpress recommends these batteries in many CT & RV applications.
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Follow Up By: Mainey (WA) - Sunday, Feb 26, 2006 at 00:14

Sunday, Feb 26, 2006 at 00:14
Scott, was the 12v Fullriver 90a/h AGM Deep Cycle $300 ??
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Follow Up By: Flash - Sunday, Feb 26, 2006 at 08:25

Sunday, Feb 26, 2006 at 08:25
No doubt the DC series are a bit better better for cycling, but the price difference for me was huge!
I picked up 4X 120 AMP/hr HGL's (brand new, date stamp indicated they were manufactured just the month before- two for me and two for a friend) for$230 each!!!
Do some research first re prices etc.
The DC's were going to be about another $100 each- I have no idea why the price difference was so high but meant the DC's in my opinion, with that price difference, (plus extra Kilos) were not justified.
My advice would be to do a lot of shopping around and then make a decision. The final price I obtained the HGL's for was about $65 better than the NEXT best quote on the SAME batteries....Why? Different importer I believe.

BTW It's the same with Kipor generators.
You could pay $1299 for a 2Kva, Australia wide warranty- (well major cities anyway.)
I paid $899 plus $20 delivery to my door. Same generator, different importer. No, I don't have "Australia wide warranty service", BUT
1.I more than likely won't need the warranty anyway and
2.If I do, THEY pay freight both ways to return and fix it.
I'm more than happy!
Cheers
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Follow Up By: Flash - Sunday, Feb 26, 2006 at 08:33

Sunday, Feb 26, 2006 at 08:33
Oh, and BTW,
When my wet cell starter battery starts to fail next time, I will be installing an AGM as my starter battery too. Nothing else comes close for vibration/shock resistance -that's why the military invented them....
I've had a very unimpressive run out of every brand of wet call I have used to date, despite looking after them well.
Only way to go IMHO.
Cheers and happy camping.
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Follow Up By: Mainey (WA) - Sunday, Feb 26, 2006 at 13:20

Sunday, Feb 26, 2006 at 13:20
Flash, I think you have been just 'unlucky' with your wet cell batteries, I have been using a Yuasha Overlander 700cca battery starter battery for more years than I can remember, well at least four, and have had no problems, and yes it's been down some bad dirt roads and tracks.

I'll let some-one else advise you who 'invented' AGM batteries L0L.
When your ready to buy a Fullriver AGM ... contact me :-)
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Follow Up By: scottp - Sunday, Feb 26, 2006 at 16:08

Sunday, Feb 26, 2006 at 16:08
Mainey,

Yes!

Proberly could have got it a bit cheaper if I did a bit more running round!
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Follow Up By: Mainey (WA) - Sunday, Feb 26, 2006 at 16:20

Sunday, Feb 26, 2006 at 16:20
Peter Mc.. my price now looks even better, it's the same battery :-)
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Follow Up By: scottp - Sunday, Feb 26, 2006 at 17:53

Sunday, Feb 26, 2006 at 17:53
What price mainey?

don't keep us all in suspence!
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Follow Up By: Mainey (WA) - Sunday, Feb 26, 2006 at 19:44

Sunday, Feb 26, 2006 at 19:44
Scott,
check out: "FULLRIVER BATTERY" in the Trader section, link below..

http://www.exploroz.com/Trader/Accessories.asp?Type=For%20Sale

Obviously is plus freight for those unfortunate enough not to live in Perth.
Some models have limited stock numbers with only a few available
first in - best choice!
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Follow Up By: Mainey (WA) - Tuesday, Mar 21, 2006 at 17:10

Tuesday, Mar 21, 2006 at 17:10
Scott,
I think you may find Peter only paid ~200 for his new Fullriver AGM Deep Cycle battery in Melbourne!!
(not 300)

The link stated above has been deleted, and not by me :-((
was moved to a more 'obscure' place lol
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Follow Up By: scottp - Tuesday, Mar 21, 2006 at 18:38

Tuesday, Mar 21, 2006 at 18:38
Well done Peter,

$200.00

Sounds like the bloke droped his pants and bent over for you!

Scott.
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Follow Up By: Mainey (WA) - Tuesday, Mar 21, 2006 at 19:03

Tuesday, Mar 21, 2006 at 19:03
Scott,

Peter only paid 200 - so saved 100 and he's happy :-)

I'm sorry, I don't understand your "sounds like the...." statement?

I only seek the very best deal on quality products for my clients.

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FollowupID: 416638

Follow Up By: scottp - Tuesday, Mar 21, 2006 at 19:15

Tuesday, Mar 21, 2006 at 19:15
Mainey,

I think you are under selling yourself/services.

Wake-up. What is the point of having all of the knowelege/experience/contacts if you don't make a decent dollar out of it!

Scott.
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FollowupID: 416640

Follow Up By: Mainey (WA) - Tuesday, Mar 21, 2006 at 19:44

Tuesday, Mar 21, 2006 at 19:44
Scott, I'm more than happy :-)
however next battery you need please let me source it for you :-)
I'll take your advise and add an exta 50, then you will be really happy because I make even more than I want to and you will still pay the lowest price available and save money L0L
It's a complete win - win situation.... :-))
0
FollowupID: 416660

Follow Up By: scottp - Tuesday, Mar 21, 2006 at 19:57

Tuesday, Mar 21, 2006 at 19:57
Thanks for the offer Mainey,

But I will continue to support my local bloke.

Cheers

Scott.
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Reply By: Alloy c/t - Friday, Feb 24, 2006 at 21:38

Friday, Feb 24, 2006 at 21:38
Peter ,I run 5 Fullriver AGM - HGL 80amp , no1 as starter in an 80series turbo diesel ,no2 is aux batt in same ,charged through Rotronics w/ender 10------ batts 3/4/5 are on c/trailer in para via anderson plug from batt no2 ,, all 5 batts were bought in 2002 so now 3 /4 yrs old ,never ever discharged to less than 11.2v ,recharged by altenator , solar and/or gen when camped ,expected batt life 15+ yrs //// lots of misinformation about AGMs as so called spurts try to relate and justify wet cell tech against "new" ,, bit like comparing the sound of an old 78 to to a cd/dvd/mp3.
AnswerID: 156928

Reply By: Peter McG (Member, Melbourne) - Tuesday, Feb 28, 2006 at 16:41

Tuesday, Feb 28, 2006 at 16:41
This feels starnge replying to your own post but I thought it might be useful if I relate where my seacrh for a decent priced AGM battery has taken me. I settled on a Fullriver 90AH DC having worked out that the DC series is a heavier build (thicker plates etc) than the HGL series. A number of solar suppliers are shifting to the DC series. Despite Mainey being in Perth he has helped me source one in Melbourne at a very good price. Thanks mate. Now to pick it up and get it fitted ready for the Cape.

Peter
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