MSpagnoli
Huntington Beach Ca./USA
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Joined: 12/20/2004
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Is it harmful to the batteries to leave them connected to the 120V AC while not in use and with no load? Would it be better to disconnect it and charge batteries before I leave?Checked Batteries today and they seemed to be bubbling a bit and had an odor.There are 2 12V batteries but only one seems to do this . the other is fine. Unit is an 06 Outback 31FRKS. Thanks
MickeySpag
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sbmowrey
DuBois Pa
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Joined: 11/10/2004
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Your 06 sholud reduce the charge as the batteries come up to charged state. If one is bubbling you have a problem and it is most likely the bubbler. I would unhook them from each other and let them set overnight, then check the voltage. they should be close to each other and not much below what they were when you unhooked them. I'll bet the one that is bubbling is lower.
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portablevcb
Tijeras, NM
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Joined: 05/04/2006
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It really depends on your converter and how it maintains the batteries. Look up the model number and the mfg website to determine if it has a proper maintenance mode.
But, even when I had a really old unit, it was hooked up year round. Batteries lasted 3 yrs, just what they should do.
If one is bubbling I would consider it suspect. You can have it load tested to see if it is OK. Watch it to make sure it doesn't go dry.
charlie
2006 Toyota Tundra Crew Cab
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SoCalDesertRider
SanDiego, CA, USA
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Joined: 12/14/2003
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Put in a battery disconnect switch. If you think the converter is over charging the batts when connected but you still want 120v power to the trailer, disconnecting the batts is the simplest solution.
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ryanallie1
Magalia, Calif
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Joined: 04/12/2005
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Hi All.
You just got to love the Intell Converters/Chargers, with the Carger Wizard. Then you will never have a battery issue, unless your battery is just plain no good. We also leave our 5er plugged in 24/7. The Intell Converter/Charger with the Charge Wizard takes perfect care of the Battries. You also never have to worry about any sulfation issues either. I check the Distillied Water in our group 27's Deep Cycle Battries about 3 times a year. Lucky if each battery will take even an once of water. I have also added On/Off switches to our Propane Detector, and our Carbon Monixide Detector. So there is no drain what so ever on our battries. The Fridge is turned off, until the day before we decide to leave, so no drain there either. The On/Off Switches also helps to make the Battries last longer when Dry-Camping/RV'ing. If no propane is being used, or the generator running, we keep both turned off. Works great for us. Our Interstate Group 27 Deep Cycle Battries are now 5 years old, and still hold a perfect charge. You might want to check out, and see what Converter/Charger you have. If its not a good Three Stage Smart Converter/Charger, you might want to up-grade to an Intell with the Charge Wizard. A bubbling battery is not a good sign. Your battery could be bad, or you have a Cheap Converter/Charger, that is over charging your battries. If its over charging, it sure will shorten the life span of your battries for you. Good Luck. Happy Camping. Dan & Jill
1997 Ford F-250, H.D. Extended-Cab, Short Bed, 7.3 PSD, K&N Air Filter, 5000 lbs air bags w/on board compressor w/guage, SuperChips Tuner/Programer. 1996 Nash 24fter 5er, 15K "Lil" Rocker Hitch w/BedSaver, Twin EU2000i Gen's W/Kit. Nam-Vet, 33 Months.
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Rossey
Appomattox, Virginia. / Rockville, Maryland
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Joined: 10/16/2006
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This is my second trailer and I have ALWAYS kept them plugged in when not camping with zero issues.
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Dave H M
IL
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Joined: 08/11/2006
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I see no reson to waste electrons so i never leave mine plugged in for the hey of it except for every three or four weeks to top off the batts. Has worked for decades for me. 
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kennethwooster
Perryton Tx USA
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Joined: 11/21/2003
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If my trailer stayed at home it would stay plugged. However: when we are not using it we put it in locked storage out of the weather. Then I disconnect the batteries to keep them from running down. I need a quick disconnect, but just haven't done that yet. I see not problem leaving it plugged in all the time. Should not hurt the batteries. Just like using a trickle charger.
kenneth wooster- farmer
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alfresco
Bloomfield, NB, Canada
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I leave mine plugged in all summer. My battery is 8 years old.
Patti & Ron
97 1500HD 4x4 Chevy
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chuckFF5
Roanoke, Virginia
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Joined: 08/20/2006
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Mine stays plugged in, keeps the fridge cold and ready for departure...and my Bud Light Limes.
2003 Ford F250 crew cab 6.0 PSD
2006 Escape (DW'S)
2006 Palomino Puma 282 rkss
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