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Old 08-09-2013, 11:26 PM   #1
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Wrong Battery?

I purchased a new TT a few months back and just had it out for a couple of days of dry camping. While trouble shooting some issues, I looked up the battery Insterstate 24M-RD on the Interstate site. They have it listed in the Starting battery category. Could this be a problem?
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Old 08-10-2013, 12:16 AM   #2
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Certainly not the best choice and won't last very long if you use it dry camping, but what the heck you gotta dance with what brung you. When it gives out, replace with a GOOD 12 Deep cycle or better yet 2 6 volters and you will be better off.
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Old 08-10-2013, 12:17 AM   #3
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Yes it will be a problem if you camp w/o hookups.
It only has 75Ah of Reserve Capacity - of which 1/2 is safe to use b4 damage might occur.
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Old 08-10-2013, 09:06 AM   #4
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As mentioned, your trailer came with a group 24 battery made mostly for marine dual purpose use where it acts as both a starting battery and to provide some capacity to the boat's systems. Its not a good choice for an RVer looking to dry camp for more than one night. It won't last two nights for most people without being discharged too much and over discharging greatly reduced their lifespan, which is not much to begin with.

As mentioned, a bigger true deep-cycle is much better for RVers. Deep cycle batteries are designed to be discharged and recharged many times. These batteries will not typically list ratings such as CCA but instead use Amp hours. The 20hr rate is what you want to use in comparing these batteries. Basically, get the one with the most capacity in the 20hr rate. They are substantially more expensive and heavier than your current group 24 battery.

You can buy two or more 12-volt deep-cycle batteries of the same kind, type and age battery and wire them in parallel for even greater capacity.

Many opt for creating a bank of two 6-volt batteries wired in series, which can have some benefits over the 12-volt banks; See 12-Volt Side of Life. Again, these need to be of the same type and age. Never pair different batteries together or pair two of the same that are different ages.

Hope this helps.
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Old 08-10-2013, 10:35 AM   #5
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Thanks. That was my fear and the reason the batteries died so soon. Does Forrest River decide on the batteries or is that something the dealer installed?
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Old 08-10-2013, 11:00 AM   #6
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Originally Posted by Tedscastle View Post
Thanks. That was my fear and the reason the batteries died so soon. Does Forrest River decide on the batteries or is that something the dealer installed?
From my experience the trailers are shipped without a box or battery. The dealer installs both and are his choice. When I ordered my camper , I supplied the box and battery of my choice and got a discount from the sales price.
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Old 08-10-2013, 11:05 AM   #7
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Good question, they have to have a battery for delivery for the emergency brake, so maybe they have a cheapy for that purpose. These dual purpose batteries will not last in dry camping, they are not designed to take ANY discharge other than starting a car,
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Old 08-10-2013, 11:14 AM   #8
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Thanks to everyone for the quick input. I will send a note to Wildcat Steve-West Coast Rep and my dealer asking if this was a mistake or a conscious decision and let you know what the response is At least I found the main problem and not just hating the trailer. If I have to swap batteries out, is there a disadvantage to going with 6 volt?
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Old 08-10-2013, 11:21 AM   #9
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These dual purpose batteries will not last in dry camping, they are not designed to take ANY discharge other than starting a car,
I have a dual purpose "Marine" battery that has done fairly well.....even though I completely discharged it a couple of weeks ago.....my bad !!

The battery is an Interstate SRM-24 bought in March 2010. It got a little sluggish a couple of years ago, and a defulfator perked it right back up. Because of the recent discharge, I might have to replace it soon, but will see how it does in the meantime.

When the original Interstate HD24-DP (bought 2008) starting getting a little sluggish and needed replacing with the new battery, that went to my Jeep. Still working !!

Yes, a true deep cycle battery may work a little better, but don't rule out the dual purpose marine batteries.
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Old 08-10-2013, 11:47 AM   #10
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Quote:
Originally Posted by MtnGuy View Post

I have a dual purpose "Marine" battery that has done fairly well.....even though I completely discharged it a couple of weeks ago.....my bad !!

The battery is an Interstate SRM-24 bought in March 2010. It got a little sluggish a couple of years ago, and a defulfator perked it right back up. Because of the recent discharge, I might have to replace it soon, but will see how it does in the meantime.

When the original Interstate HD24-DP (bought 2008) starting getting a little sluggish and needed replacing with the new battery, that went to my Jeep. Still working !!

Yes, a true deep cycle battery may work a little better, but don't rule out the dual purpose marine batteries.
I guess that I and basic battery phisics are wrong then. To each his own. To reiterate my point. If the OP is planning on routine dry camping and going to use 50% of the battery capacity between charges, then a dual purpose battery will not last long, probably not more than one season.

Disclaimer: Your experiance may be different, depending on local conditions etc. If you do not dry camp much then you can put anything in there it doesn't matter...
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