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05-15-2018, 06:15 AM
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#1
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Senior Member
Join Date: Nov 2011
Posts: 146
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Expected Battery Life
I have a Cat 3126E 330 HP and my coach is 14 years old. I am on my second set of batteries of which they are about 6 years old. The other day when I went to start the engine, I had to use the generator to charge up the batteries before I could get the engine to turnover and start. Up to this point I have had no issues with starting the engine no matter how long it had been sitting. The engine had been shut down as normal with all electrical shut offs activated and did not see any thing that might might have been drawing down the batteries. Like to know what others have experienced and what life expectancy can one expect from their batteries?
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G & K Marshall
2004 DSDP 3810-2010 Ford Edge
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05-15-2018, 11:30 AM
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#2
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Senior Member
National RV Owners Club
Join Date: Jun 2010
Posts: 4,581
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Just replaced the starting batteries on mine this past month. They were 8 years old and were discharging by themselves in a few days.
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Bob & Sandi, dogs Tasha a Frenchie and Tiki a Skipperkey
SW OREGON 2005 34 foot DolphinLX
If towing: a bright red 2016 Mini Cooper on a tow dolly.
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05-15-2018, 04:29 PM
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#3
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Senior Member
Join Date: May 2013
Location: Port Charlotte, FL
Posts: 476
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I too just replaced my 8 year old batteries. At home my RV is plugged in to 50 amp so the batteries are maintained with a float charge. I attribute that to getting 8 years out of the batteries.
Jeff
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05-15-2018, 04:55 PM
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#4
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Senior Member
American Coach Owners Club
Join Date: Jul 2007
Location: SW Florida
Posts: 2,971
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Quote:
Originally Posted by DJJ
I too just replaced my 8 year old batteries. At home my RV is plugged in to 50 amp so the batteries are maintained with a float charge. I attribute that to getting 8 years out of the batteries.
Jeff
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That and not constantly depleting them excessively.
I've already put the hurts on my AGM's, more than a few times.
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07 Revolution LE 40E_1 1/2 Baths_Spartan MM Chassis_06 400HP C9 CAT_ Allison 3000
Dinghy_2010 Jeep Wrangler JKU ISLANDER
1998 36ft. National Tropi-Cal Chevy Model 6350 (SOLD)
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05-18-2018, 07:52 PM
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#5
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Senior Member
Join Date: Feb 2015
Posts: 718
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There are several factors that can impact battery life, so the range can be 4 to 6 years in most cases and 6 is good. Most car part places will test for free with a load tester. I like to stay on top of them with maintenance and keeping the terminals clean.
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Frank, Columbus, Ohio
2001 Itasca Horizon Cat 3126B 330hp, 2018 Jeep GC Limited, EPS harness or 24' Enclosed Car Hauler
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05-20-2018, 10:52 AM
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#6
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Senior Member
Join Date: Dec 2009
Posts: 1,920
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I'm with the 8 year crew. I put new coach and chassis batteries in back in 2009 when I bought the coach (at only 3 years old they were all done) and my chassis batteries lasted until last summer.
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Paul
2006 Patriot Thunder C13 Allison 4000
2010 Ford Flex Ecoboost AWD
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05-20-2018, 07:54 PM
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#7
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Junior Member
Join Date: Feb 2010
Posts: 18
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still have the originals from 06 cranks good and no sign of failing
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05-20-2018, 08:01 PM
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#8
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Senior Member
Join Date: Aug 2017
Location: Syracuse Ut.
Posts: 692
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It's really hard to predict the life you'll experience with batteries due to the variables that affect batteries. Life expectancy is drastically altered if you experience more hot temperatures than the average, especially hot conditions during battery charging. Batteries left in a semi discharged state for any amount of time will meat an earlier demise than might be expected, and depth of discharge and number of cycles come in to play in a significant way as well. If you full time off grid 3 years of life with might be pushing it for well maintained use wheras 8 to 10 years of life might be experienced by well maintained batteries used in moderate temperatures.
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2016 Bighorn 3270RS, 2015 Ram 3500 CTD/ASIN
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05-21-2018, 02:57 PM
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#9
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Senior Member
American Coach Owners Club
Join Date: Jul 2007
Location: SW Florida
Posts: 2,971
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Quote:
Originally Posted by boilermaker
still have the originals from 06 cranks good and no sign of failing
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12yrs could be some kind of a world record, then...
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07 Revolution LE 40E_1 1/2 Baths_Spartan MM Chassis_06 400HP C9 CAT_ Allison 3000
Dinghy_2010 Jeep Wrangler JKU ISLANDER
1998 36ft. National Tropi-Cal Chevy Model 6350 (SOLD)
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05-21-2018, 04:35 PM
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#10
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Senior Member
Join Date: Aug 2017
Posts: 2,091
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Got 10 yrs on mine so far. The coach is only plugged in when we are out camping. When not in use , the batteries are disconnected. We only have a short 3 to 4 month camping season up here , so they are not used or charged for 8 to 9 months every year.
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1993 Tiffin Allegro Bay 32'
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06-10-2018, 04:34 PM
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#11
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Senior Member
American Coach Owners Club
Join Date: Jul 2007
Location: SW Florida
Posts: 2,971
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Quote:
Originally Posted by gmarsha2
I have a Cat 3126E 330 HP and my coach is 14 years old. I am on my second set of batteries of which they are about 6 years old. The other day when I went to start the engine, I had to use the generator to charge up the batteries before I could get the engine to turnover and start. Up to this point I have had no issues with starting the engine no matter how long it had been sitting. The engine had been shut down as normal with all electrical shut offs activated and did not see any thing that might might have been drawing down the batteries. Like to know what others have experienced and what life expectancy can one expect from their batteries?
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Six years would be about average.
Any reason why you didn't use your aux boost for tying your battery banks together and for starting the engine?
__________________
07 Revolution LE 40E_1 1/2 Baths_Spartan MM Chassis_06 400HP C9 CAT_ Allison 3000
Dinghy_2010 Jeep Wrangler JKU ISLANDER
1998 36ft. National Tropi-Cal Chevy Model 6350 (SOLD)
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06-20-2018, 05:32 AM
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#12
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Senior Member
Join Date: Nov 2011
Posts: 146
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Thanks for the info......as for using the boost....really no reason. I decided to start the generator and let it charge up the system. My coach has started well since then, but I have decided to change them out anyway. Based on the feed back I am going to be proactive rather than having to ask later on why didn't I change them when I had the chance.
Thanks again for the feed back
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G & K Marshall
2004 DSDP 3810-2010 Ford Edge
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07-04-2018, 07:16 AM
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#13
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Senior Member
Join Date: Sep 2009
Location: Central Indiana
Posts: 1,422
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Batteries
Replaced chassis batteries in January, 2018. They were 17 years old, but I have replaced: coach batteries twice in the same 17 year period. Last change was to AGM sealed single 8D battery. No more cable corrosion.
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07-05-2018, 10:42 PM
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#14
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Junior Member
Join Date: Feb 2010
Posts: 18
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Quote:
Originally Posted by mrboyer
Replaced chassis batteries in January, 2018. They were 17 years old, but I have replaced: coach batteries twice in the same 17 year period. Last change was to AGM sealed single 8D battery. No more cable corrosion.
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know that's definitely some kind if record!!!
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