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Old 07-25-2013, 11:15 AM   #29
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The best price I found on an Optima blue top was AutoZone.
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Old 07-25-2013, 11:38 AM   #30
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The best price I found on an Optima blue top was AutoZone.
May not be the best option for the Airstream. Low a/h rating, very narrow charge profile.

I took Lewsters advice and stayed away from them, no regrets.

If you feel you need agm's, go with the best.

It's an Airstream after-all.

Bob
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Old 07-25-2013, 01:29 PM   #31
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Here's the specs on the one I have.

Battery Model: D31M Part Number: 8052-161 NSN: 6140 01 502 4405 UPC Code: 8 11405 00161 1 Performance Data

Cold Cranking Amps: 900 Cranking Amps: 1125 Nominal Voltage: 12 volts Open Circuit Voltage (fully charged): 13.1 volts Internal Resistance (fully charged): 0.0025 ohms Capacity: 75 Ah (C/20) Reserve Capacity: BCI: 155 minutes (25 amp discharge, 80F (26.7C), to 10.5 volts cut-off)
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Old 07-25-2013, 01:40 PM   #32
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Would this be a good one ?

UPG30H AGM Battery
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Old 07-25-2013, 01:51 PM   #33
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If price is an indication of being "best" then this one might be the best.

Sears.com
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Old 07-25-2013, 03:45 PM   #34
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Would this be a good one ?

UPG30H AGM Battery

Made in Asia.

Hmmmmm
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Old 07-25-2013, 08:31 PM   #35
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I finished the install of 4 100W solar panels from AM Solar a couple of weeks ago. The package included the controller, a remote and all of the cables. Total cost was around $2K. Lewster recommended (and my research seemed to confirm) that I'd be well served by dumping the two Interstate batteries and go to Lifeline AGM's. These were an exact fit into my battery compartment and ran $295 each. So, going off the grid to generate solar power in my rig runs around $2,600K. I'd suggest that anyone who is even possibly contemplating a solar install to bite the bullet and head for US manufactured Lifelines. You do get a 5 year warranty with them (prorated, of course).
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Old 07-25-2013, 08:59 PM   #36
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Would this be a good one ?

UPG30H AGM Battery
MADE IN CHINA! And probably a knock-off of a US design.

When US battery makers are not around any more and all you have available is this crap from China, take a good long gaze in the mirror when looking for someone to blame!
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Old 07-25-2013, 09:28 PM   #37
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I used M K batteries in power wheelchairs. These batteries were also used in security systems - banks etc. These might be over kill for campers, but are one of the best for high tec electronics. $$$$$$ about $250 each for 12v group 24.
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Old 07-25-2013, 10:52 PM   #38
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If price is an indication of being "best" then this one might be the best.

Sears.com
They use those on the 787 don't they?
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Old 08-01-2013, 10:41 PM   #39
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I'm a bit late to the party but here is my situation...I need to replace my batteries and I am looking at two different batteries. Both Group 24 DC:
1) The Exide from Camping World. The 24MDCST with 80Ah and 140 RC. ($104.00)
2) The Energizer from Sam's Club. The 24DC with 75Ah and 140 RC. ($74.00)

I understand that Johnson Control is the manufacturer of Energizer while Exide recently file Chapter 11 for the 2nd time in as many years.

We do not do a lot of dry camping but we do some and may like to do more.

Any thoughts, Fellow AS'ers??
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Old 08-01-2013, 10:56 PM   #40
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I'm a bit late to the party but here is my situation...I need to replace my batteries and I am looking at two different batteries. Both Group 24 DC:
1) The Exide from Camping World. The 24MDCST with 80Ah and 140 RC. ($104.00)
2) The Energizer from Sam's Club. The 24DC with 75Ah and 140 RC. ($74.00)

I understand that Johnson Control is the manufacturer of Energizer while Exide recently file Chapter 11 for the 2nd time in as many years.

We do not do a lot of dry camping but we do some and may like to do more.

Any thoughts, Fellow AS'ers??
Battery manufactures change their production so often that any advice is semi meaningless. I go by weight. The heavier battery always wins, as it has more lead in it. But in group 24 batteries there is really not much difference in my opinion.

BTW, my preference is always two 6 volt golf cart batteries in series. Wins every time, but unfortunately they are about 1 1/2" taller than group 24's and things may have to be modified for them to fit.

If you don't often do dry camp, probably any group 24's would be fine.
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Old 08-02-2013, 11:02 PM   #41
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Idroba,
I echo your sentiment. I am trying to figure a way to incorporate two Group 27's into my box! The 6v are not going to fit as you said due to height. We're not big dry campers so I think we can get by with a solid pair of 24's. I al always looking for a BIGGER / BETTER solution!

Thanks for your help!

Ron
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Old 08-02-2013, 11:15 PM   #42
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Hi, since I'm not a boon docker and may only get stuck without shore power for about two days at most, I just buy Costco deep cycle batteries for my trailer.
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