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Old 04-30-2009, 05:13 PM   #1
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I need to purchase new batteries and the last time I was on the Forum I received some good advice. But I forgot to ask what brand of battery might be recommended. What else should I be looking for? I also need those short black and red crossover cables and I am not certain as to where they are sold. Would appreciate any help.

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Old 04-30-2009, 07:06 PM   #2
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Hi Allen. I'm pretty close to 90 months on my OEM lead-acid batteries. One opinion -- for $250 approximate value I'd replace with two of the same again. And IMO twice that investment for going with AGMs wouldn't be cost effective -- with AGMs having maybe 5 years of useful life. Check out some deep cycle lead-acids of good quality. It's important to let neither lead-acid nor AGMs discharge below 40-45%. See the percent discharge-voltage chart here. I haven't done it yet but I'd look into silvertwinkie's recommendations to upgrade from the OEM Parallax voltage converter.


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Old 04-30-2009, 07:15 PM   #3
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First, you say the plural form so I assume you want to buy more than one. And I assume you are talking deep cycle. The brand also may depend on 6volt batteries or 12v and conventional vs AGM.

To get down to your question as to specific brand, danged if I know. But there does seem to be a not exactly mathematical general equation out there for equal sizes of batteries: a battery you pay twice as much for will last twice as long than a battery you pay half as much for.
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Old 04-30-2009, 08:39 PM   #4
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Wooded, if your using 12v batteries.

The +RED goes to +RED

The-BLACK goes to the-BLACK

I purchased some Costco's with a 3 year FULL REPLACEMENT policy.

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Old 04-30-2009, 09:30 PM   #5
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Hi, if you are not looking for the ultimate, don't have solar panels, and very seldom boondock, then just buy Costco batteries; I did.

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Old 04-30-2009, 10:20 PM   #6
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Brand names tend to be a of a personal matter, or what worked before, one buys again...

Don't know your AS's exact battery box configuration...most likely, two 12 volt 24 (10 inch long) or group 27 (12 inch long)...

Being part owner of a small shop that deals only in batteries, I'd recommend checking out what a Battery Specialist in your area has to offer...our kinds of shops normally deal in the HD types of Deep Cycle batteries used in RV's, Boats, etc., and can fix you up with the right stuff...

I normally don't recommend the AGM, sealed type batteries for RV use due to their high initial cost, and the way many RV'ers neglect their batteries...there are exceptions that require these batteries, but for most general use, I go with the flood-cell types (with caps on top for adding water)...that's what I use myself - along with a good three-way converter charger that keeps the batteries at full charge without overcharging so I don't have much water loss to worry about...

If you have the room, and are considering converting to (2) of the 6 volt deep cycle batteries, your battery specialist can fix you up with the proper cables, as well...

As far as brand names, I tend to steer away from the Exide brand, out here in the West, anyway...Smaller battery mfgr's are regional in nature, and you probably have several brands local to your well as the BIG nationally advertised brands...The large national brands usually have several quality levels to sell to different levels of customers - SO, if you go with a major brand, make sure you're getting their BEST rated battery of the type you need...check the specs - the higher Amp Hour rating, the better.

Get the heaviest battery, by weight, in the size you need - the heaver the battery, the more plates, usually indicating a battery with a higher Amp Hour rating, which is what you're after in RV service...

Ray & Pat; Morada, CA
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