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Old 04-17-2014, 11:00 AM   #1
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24 Deep Cycle Dead Battery ? I'm clueless

I have an interstate 24SM?? Deep Cycle Marine Battery that I need to replace. I know absolutely ZIP about batteries.... Jayco Manual says I need either a 12-volt Group 24 or 27 ....... looking at websites for pricing of deep cycle, I get into 24DC 24MS What the heck does that mean... I'm so lost on this stuff, what about Wallie-Worlds Everstart batteries? Moderately priced?

Guidence please!
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Old 04-17-2014, 11:15 AM   #2
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If you are going only to campgrounds with electric hookups you only need a single group 24 marine/starting battery provided the battery is kept properly charged during periods of non use.
Deep Cycle is better but not required for that type of camping. If you will be camping off grid, then you need larger deep cycle battery(s).
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Old 04-17-2014, 11:23 AM   #3
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A quick search on this site and around the net will give you more information than you ever wanted to know.

12v or two 6v, True Deep Cycle or marine batteries, Wet cell or AGM, Size and weights.

Lots to learn, the choices are yours.
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Old 04-17-2014, 12:10 PM   #4
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Quote:
Originally Posted by Crabman View Post
If you are going only to campgrounds with electric hookups you only need a single group 24 marine/starting battery provided the battery is kept properly charged during periods of non use.
Deep Cycle is better but not required for that type of camping. If you will be camping off grid, then you need larger deep cycle battery(s).
How you answer the above question will determine how we can help you!

Don
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Old 04-17-2014, 02:04 PM   #5
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Starchezr, what type of camping do you do? This is critical to know to help you pick out the best battery for your needs. For example are you always at a full hook up site, or do you periodically off the grid for two nights. Do you like go places for extended periods of time off the grid with or without a generator. If you like to boondock how is your power management skills?
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Old 04-17-2014, 06:33 PM   #6
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I basically will be going to sites that have full hook up. At some point I may decide to go off the grid, but that at this point it's not in the mix. I have a "new to me" used 19' TT Sport that I'm getting up to maint specs, so other than all the fixes I'm doing, I need to replace the dead battery. I know it's a 12volt 24 deep cycle.... but shopping will list 24M 24SRM 24DC... and is one brand better over another for the added pricing? Seems these are ranging anywhere from $60 - $120
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Old 04-17-2014, 07:30 PM   #7
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I basically will be going to sites that have full hook up. At some point I may decide to go off the grid, but that at this point it's not in the mix.
Based on what you said above, I think you should stick with a standard 12VDC SRM-24 RV/Marine battery. It are both cheap and dependable. You can use this as your "TRAINING" battery that will prepare you for when you decide to take on Dry-camping. Why waste money on power you will not be using for a while. There are other things you will need to do prior to successful dry-camping, installing LED lights, power conservation, possible 120VAC inverter.... Maybe even SOLAR J
The batteries that are usually shipped with TT's are the Interstate brand. The 2 common sizes are the basic SRM-24 (84Ah Amp hours) and next larger size is the SRM-27 (96Ah). Not much difference between them, but they are different sizes.

I would stick with the SRM-24 as it will fit in your existing battery case. Also, check to see that the TT's Battery Charge Controller is working properly, or have a professional check it for you.

Just my thoughts,
Don
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Old 04-17-2014, 07:35 PM   #8
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^^^ I agree. I have been using the Grp 24 Interstate battery that came with my trailer for 4 1/2 years now with no issues. We only camp with electric hookups at present.
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Old 04-18-2014, 03:44 AM   #9
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Group 24 batteries are smaller than group 27 batteries. Group 27 batteries have a larger capacity. Measure your battery box. A group 27 battery is typically 12.75" x 6.88" x 9.88" or roughly 2" longer than a group 24. Don't buy a marine deep cycle battery. A RV needs a regular deep cycle battery as it doesn't need to start a motor and will give a better deep cycle say to 40 or 50% discharge than a marine deep cycle battery. I buy my group 27 batteries at Walmart who has the best price. The one I just bought is made by Exide and is a very good battery. They also charge a core fee of $9 if you don't trade in the old battery. The $9 core fee is way less than most.
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Old 04-18-2014, 07:47 AM   #10
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If you are camping at full hook up sites, then really the batteries primary use is for the emergency breakaway switch to engage the electric brakes in case something bad would happen on the road. With that said, a cheaper battery is all you need.

The battery does need periodic maintenance, you need to pop the caps a few times a year and add distilled water, only use distilled water. Fill only to the bottom of the plastic insert. By doing this maintenance you can expect about 7 years out of the battery.
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