What is the best way to store AGM batteries?

Submitted: Monday, May 01, 2006 at 09:10
ThreadID: 33403 Views:1946 Replies:4 FollowUps:6
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I am considering buying the Waeco CF-80 Freedom Pack, which includes a couple of RAPS-36 AGM batteries, fixing kits etc.

My question is, can these batteries be stored for 6 months at a time, and if so, what is the best method so they don't die prematurely?

Many thanks,

Peter
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Reply By: Alloy c/t - Monday, May 01, 2006 at 09:27

Monday, May 01, 2006 at 09:27
P.G. , Buy the Waeco not the 'bonus' Raps 36 s, an 80lt Waeco uses an average of 64amps per 24hrs ,so even 2x36s isnot going to give you cold Cascade for long ,,best to get hold of a couple of decent sized AGMs in the range of 80/120 amp, as for storage for 6mth+ just fully charge em up ,nothing special, AGMs sel.f discharge on average less than 1% of charge per mth
AnswerID: 169973

Follow Up By: P.G. (Tas) - Monday, May 01, 2006 at 09:38

Monday, May 01, 2006 at 09:38
Thanks for that, I was thinking along the lines of the package being a bargain (so to speak) compared to buying a fridge, battery, dual battery controller, and then mounting the whole shebang etc.

I guess it still comes down to you only get what you pay for.

Many thanks for that.

Peter
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Follow Up By: Sand Man (SA) - Monday, May 01, 2006 at 23:29

Monday, May 01, 2006 at 23:29
Peter,

You are actually buying the RAP36's. The fridge is thrown in as a bonus:-)))

Bill


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Reply By: F4Phantom - Monday, May 01, 2006 at 09:57

Monday, May 01, 2006 at 09:57
Charge them each month to top up. 6 is too long.
AnswerID: 169982

Reply By: Derek from Affordable Batteries & Radiators - Monday, May 01, 2006 at 15:55

Monday, May 01, 2006 at 15:55
Hi P.G.

You want a 90 or 100 amp hour Agm Battery. They will loose between 3 and 10% charge max over 6 months. Be sure to charge it up on a good quality 3 stage float or switch mode charger when you pack it away.

Store in a cool dry place off the ground and top up at least every 6 months and before you use it.
AnswerID: 170040

Reply By: Robin-Outback - Tuesday, May 02, 2006 at 01:42

Tuesday, May 02, 2006 at 01:42
PG the issue you may not have thought about is the power consumption of an 80L fridge. We just downsized to a 40L as we found it impossible to keep the power up to the 80L. The 80L takes around 85A day. The 40L takes about 25A
AnswerID: 170155

Follow Up By: Jimbo - Tuesday, May 02, 2006 at 08:51

Tuesday, May 02, 2006 at 08:51
The only time a Waeco uses 85 amps is in extremely hot weather and the Engel would only draw 25 in the middle of winter.

In "average" conditions, expect about 40 amps for the Engel and 65 for the Waeco. There is NO way the Waeco draws 3.5 times the power of the smaller Engel.

How do I know? I've owned and extensively used both.
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FollowupID: 425529

Follow Up By: Alloy c/t - Tuesday, May 02, 2006 at 18:53

Tuesday, May 02, 2006 at 18:53
Robin-Outback , I would love to know where you get you figures from ,,Ive had my 80lt Waeco for wellover 3 yrs now , is allways run as freezer and fridge -13 or so in freezer and 2 to 4 in fridge , ambient temp variations from a Victorian winter to a Longreach Qld summer ,, 80lt Waeco 64amps per 24hrs average ,, my 15lt Engel on setting "2" = 2 to 4 deg [perfect beer temp] uses 1.9amps per hr in same conditions 1.9x24=45.6 amps per 24hr,,,,,
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Follow Up By: Jimbo - Tuesday, May 02, 2006 at 18:56

Tuesday, May 02, 2006 at 18:56
Probably been looking at Ozi's website LOLOLOLOL.
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FollowupID: 425654

Follow Up By: Mainey (WA) - Tuesday, May 02, 2006 at 23:22

Tuesday, May 02, 2006 at 23:22
I use a 70 ltr Reefer PR Fridge/Freezer, it uses far less than 85 amps/day :-))
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FollowupID: 425717

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