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Old 02-07-2019, 10:02 AM   #1
bmcvazquez
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Which Battery????

Greetings to all,

First I want to thank the creators of this forum and all who are so generous with their knowledge! As a newbie to rv'ing, it is great to see that this really is a community.

I purchased a 2019 Keystone Cougar Half-Ton 29bhs. Love it! It came with one battery, a RoadHawk Heavy Duty Deep Cycle. It has the following information on the sticker:
NO. DC24
CCA: 500
MCA: 615
23AMP AVE
150MIN

Can someone please explain what the DC24 and 23AMP AVE means? Finally, what type (size, amps, etc.) of a battery can I purchase to run parallel to this one? Any brand suggestions are greatly appreciated.

Thank you and be safe on the road.
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Old 02-07-2019, 10:26 AM   #2
Canonman
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DC24 notes a "group 24" and is specific to physical size and post configuration.
CCA is your cold cranking amps measured at 0 degrees for 30 seconds
MCA is your marine cranking amps measured at 32 degrees for 30 seconds. Both measurements require that a minimum charge of 7.2vdc remain after the 30 seconds i.e. a dead battery.
The 23amp AVE 150 min I believe means the battery is rated to supply 23 amps for 150 minutes.
As for adding a new second battery, You'd want to get another one just like it if possible. I'm assuming that since the TT is new, the battery is as well. You can check this with the date stickers on the battery.
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Old 02-07-2019, 11:50 AM   #3
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Canonman made a good point - you need identical batteries if possible in size and capacity. Batteries with different capacities present problems for charging and discharging and will ultimately result in a premature failure in my experience.
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Old 02-07-2019, 12:17 PM   #4
bmcvazquez
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Canonman: Thank you very much for your thorough reply! I can't find the exact brand locally in South Florida but will check online. Have a great day.

sourdough: Thank you for the heads up!
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Old 02-07-2019, 12:45 PM   #5
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If you've used it very much you might consider buying 2 new ones of the same type. Discussing brands of batteries is like discussing Ford vs Chevy vs Ram - everyone has their favorite. I use Interstate batteries and have had good luck.
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Old 05-04-2019, 03:48 PM   #6
Phil Saran
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I have a Cougar 30 RLS 5th wheel and it also came with that same Group 24
battery. I plan on upgrading to a matched pair of Group 27 batteries later this
year. The Group 24 battery is fine for raising and lowering the landing gear, and
are hooked up to shore power when camping.

But for boondocking you need more longer lasting power. But I also have a matched
set of Honda 2000i generators.
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Old 05-04-2019, 03:58 PM   #7
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If your going to do a lot of boondocking and you have the room, I would go to a pair of 6V golf cart batteries wired in series.
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Old 05-13-2019, 10:04 AM   #8
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Does anyone know what battery comes on a 2015 319 MKS Keystone Sprinter? I’m trying to determine if some shady haulers swiped my battery. Everything was working perfect when we viewed it. Now battery won’t recharge. Want to replace it & unsure what kind/type to buy. Thanks in advance for any info.
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Old 05-13-2019, 11:14 AM   #9
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Quote:
Originally Posted by SummerCheryl View Post
Does anyone know what battery comes on a 2015 319 MKS Keystone Sprinter? I’m trying to determine if some shady haulers swiped my battery. Everything was working perfect when we viewed it. Now battery won’t recharge. Want to replace it & unsure what kind/type to buy. Thanks in advance for any info.
The answer could "literally" (not figuratively) be any battery manufactured. The battery is a "dealer installed" (not factory installed) accessory. Some dealers market Interstate batteries, some dealers market Exide batteries, some dealers market "off brand" batteries and some dealers swap old batteries out of trade-in trailers to get you out the door....

So, you'll simply have to ask the dealer where you buy your trailer what brand/size battery you'll get. If it were me, I'd make the installation of two "golf cart" (GC2) batteries a part of the negotiated price.

Since you've already got the trailer and the battery installation is "pretty much a blank slate" I'd go ahead and "bite the bullet" and install a pair of GC2 batteries now and be "done with it" for at least 5 or 6 years (assuming you monitor the water level and don't discharge them below 50%).
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Old 05-14-2019, 12:12 PM   #10
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Another vote for new GC batteries. Unless you never boondock, it's the way to go.
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Old 05-14-2019, 06:22 PM   #11
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Another vote for 2 GC2 6V.

Got mine from Costco. 7 years and still going strong.
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Old 05-14-2019, 06:44 PM   #12
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GC2s are a great option for keeping things energized off grid.

Where the larger battery bank allows for extended amp hours, I soon realized (after I installed mine) that the new "weak link" in the DC system was the OEM converter. Where the much smaller single group 24 battery would take only a few hours to reclaim a full charge, my new 215 amp hour bank never reached it full capacity even after a full day of the coach being plugged into my generator. This was the case throughout our recent journey to the southwest.

So now, I'm looking for converter replacement solutions.
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Old 05-15-2019, 10:25 AM   #13
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Quote:
Originally Posted by busterbrown View Post
GC2s are a great option for keeping things energized off grid.

Where the larger battery bank allows for extended amp hours, I soon realized (after I installed mine) that the new "weak link" in the DC system was the OEM converter. Where the much smaller single group 24 battery would take only a few hours to reclaim a full charge, my new 215 amp hour bank never reached it full capacity even after a full day of the coach being plugged into my generator. This was the case throughout our recent journey to the southwest.

So now, I'm looking for converter replacement solutions.
I am also researching converter and inverter options. Im leaning towards the Victron multi plus. Is a charger/converter/inverter. When your not connected to shore power it automatically turns on inverter power. It has smart charging capability, it can charge any battery type, and you can program which type of charge you want (maintenance, float, etc). From what I have heard, it charges very quickly.

The install seems pretty straight forward, you run the power from the shore power to the multi plus and then to the distribution center. It illiminates the OEM charger.

https://www.victronenergy.com/invert...48v-800va-3kva
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Old 05-16-2019, 12:52 PM   #14
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Another vote for 2 GC2.

Had mine for over 7 years, still going strong.

Got them from COSTCO.

Just got a new Cougar, will get 2 or 4, not sure yet.
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Old 03-30-2020, 04:16 AM   #15
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Roadhawk Predator batteries are manufactured by East Penn manufacturing they are rebranded DEKA BATTERIES made for Camping World. I would suggest you install two Larger AGM batteries as they are more durable and have more Power. I just installed Two 8a27m in my Motor home. These are rated at 92 amp hours each.
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Old 03-30-2020, 07:36 AM   #16
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^ I have 2 AGMs from CW but smaller since that is all that would fit on the tongue of my TT. Transferred them to 5w along with the solar system and looking forward to years of life.
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