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Old 01-14-2013, 06:26 PM   #1
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I need your help again, this time with batteries.

I'm going to replace the Group 24 flooded battery that came stock with my x17Z. I'll probably go with a Group 27. After looking at new batteries, the AGM technology looks good to me. They are twice as expensive, but have 3 times the life span. Does anybody have experience with the AGM type?
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Old 01-14-2013, 06:52 PM   #2
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I have one and so far I have not had any problems with it. I bought mine at Sams Club over a year ago. I paid $138 for it. It is either a group 31 or a 29.
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2010 Jayco 17Z Ex-Port
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Nights Camping 132 - Nights Camping in My Z 102
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2012 Camping Stats
Nights camping 133 - Nights camping in my Z 128
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Old 01-14-2013, 06:59 PM   #3
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I use the Lifeline Group 27 AGM battery and am very pleased with it. A nice piece of equipment.

http://www.lifelinebatteries.com/rv.php
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Old 01-14-2013, 08:07 PM   #4
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It would be best to go with a true deep cycle battery and not a "marine" battery. Marine batteries are made for both starting engines and for handling the loads encountered in an RV. And being dual use, the are not the best choice for RVs since an RV battery is never used for engine startups.

Batteries for starting engines have honeycombed, or porous lead plates, and can discharge large amounts of current quickly. A deep cycle battery has solid lead plates, which are perfect for the slower, steady discharges an RV requires. A marine battery uses plates that are somewhere inbetween, so they can be used for both purposes but are optimum for neither.

If you have to go with a single battery, call Interstate batteries, or a Trojan battery dealer. There are true deep cycle 12 volt batteries available. If you would like greater battery capacity and can fit two batteries on your trailer, consider a pair of 6 volt golf car batteries.

Another benefit of true deep cycle batteries, besides providing greater amp hour capacity is that they typically provide longer life.
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Old 01-14-2013, 08:59 PM   #5
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Quote:
Originally Posted by SmokerBill View Post
It would be best to go with a true deep cycle battery and not a "marine" battery.
The battery I have is a "true" deep cycle battery.
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Tracy from Central PA

2010 Jayco 17Z Ex-Port
2004 Ford Explorer V8 with the tow package
2010 Camping Stats
Nights Camping 132 - Nights Camping in My Z 102
2011 Camping Stats
Nights Camping 107
2012 Camping Stats
Nights camping 133 - Nights camping in my Z 128
2013 Camping Stats
Nights Camping 66 Nights
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Old 01-14-2013, 09:38 PM   #6
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"Marine" batteries come in starting, combination starting/deep cycle, and deep cycle. One of the important specifications when choosing a deep cycle battery is the "amp hour rating" some AGM batteries don't do so well here, so look at a variety of brands and their spec's. Buy the battery with the most 'amp hours" for the money.
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Old 01-15-2013, 08:38 AM   #7
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I have been researching deep cycle batteries for some time now and a general rule of thumb is that if a battery is rated in "CCA" then it is not a true "Deep Cycle" battery. As mentioned earlier, the difference is in the thickness and design of the plates. When looking, I use the "Minutes @ 25 Amps" and the "AH (20hr rate)" for comparison. I will be replacing my existing (2) batteries prior to our trip to CO this spring and since I like to buy as many products that are MADE IN THE USA as possible, the only Battery manufacture that I have found that meets this requirement is a company called USBATTERY. I have included a link to their HomePage and Specifications Page. I am going to purchase 2 of the 6 volt US 250HXC . It has a rating of 636 minutes at 25Amps (10.6 hours @ 25Amps). This should be more than enough to satisfy our dry-camping needs. They will have 245 Watt solar panels charging them with a Schneider Trace C40: 40A, 12/24/48V 3-stage Charge Controller.
Good Luck!
Don

USBATTERY HOMEPAGE - http://www.usbattery.com/usb_index.html
USBATTERY SPECIFICATIONS - http://www.usbattery.com/usb_specs_deep_cycly.html

Buy AMERICAN!!!
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Old 01-15-2013, 08:41 AM   #8
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Sorry, I posted the wrong link to the US 250HCXC (Slip of the fat fingers) . Here it is
http://www.usbattery.com/usb_us250hcxc.html

Don
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2013 Jayco Eagle 284BHS
250Watt Grape Solar Panel, MorningStar MPPT 60 Charge Controller
1500 Watt Ramsond PSI, 2 Trojan T145 Batteries (260Ah)
2 - AirSight Wireless IP Cameras (used as rear view cameras)
EnGenius WI-FI extender, D-Link wireless (n) modem
MagicJack Internet Phone
2012 Ford F150XLT, EcoBoost w/3.73
157" Wheel base, HD Towing Package

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Old 01-15-2013, 09:35 AM   #9
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IF you have the room a pair of 6 volt golf cart batteries will give you better life and more power than any single 12 will ( it will even beat out a pair of 12's)
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Old 01-15-2013, 09:54 AM   #10
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Battery selection has more to do with how you use your trailer than anything else. If you mostly have a Elec Hookup then a single Grp 24 is mor than sufficient. If you dry camp for days at a time then you need to think more about battery selection. For primarily dry camping the best are (2) 6 volt GC2 batteries or banks of (2) GC2.

For our family we do a little of both so I wanted to go the GC2 route but moving the batteries became problematic. We store our TT in a public storage lot, and whenever the TT is stored I pull the batteries and keep the on my Battery Tender at home. GC2 batteries don't have a handle the way Grp24 or 27 do and they are much heavier. My 2 Grp 24 Costco batteries provide ~170 AH vs ~220 AH for the GC2. Clearly I would prefer the extra 50AH but being able to move them to protect and maintain the batteries won out with me.

We used a GRP 27 AGM on out sailboat and it was awesome. Didn't have much of a load to support, mainly lighting and radio. Also we had a small 5W solar battery trickle charger on it at all times and that kept it charged and ready to go.
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