Go Back   iRV2 Forums > MOTORHOME FORUMS > Class A Motorhome Discussions
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
Thread Tools Search this Thread Display Modes
Old 05-16-2011, 06:16 AM   #1
Junior Member
Join Date: Apr 2011
Location: Mountain Home Arkansas
Posts: 28
another question

Does it harm the Batteries to keep a motor home plugged in?

Flyflicker is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 05-16-2011, 06:35 AM   #2
Senior Member
GaryKD's Avatar
Newmar Owners Club
Join Date: Jul 2006
Location: Wellington, Florida
Posts: 11,772
Hi Flyflicker,
The short answer is no.

The answer assumes the coach battery charger is smart enough to reduce to a maintenance charge (about 13.5 VDC) once the batteries are fully charged.

2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
The Avatar Is Many Times Around The USA
Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours
GaryKD is offline   Reply With Quote
Old 05-16-2011, 06:36 AM   #3
Senior Member
paz's Avatar
Join Date: May 2005
Location: Full-timers - Home is where we park it.
Posts: 4,431
It depends on what type of charger the motorhome has. If you have a 3-stage charger, it will not hurt. Older or less expensive chargers only charge at one voltage, which tends to overcharge and "cook" the batteries.

We're full-timers, and we have an inverter with a 3-stage charger. We rarely boondock so our motorhome is plugged in all the time except for travel days.
2015 DRV Tradition 375KPS
2015 Chevy Duramax 3500HD LTZ Dually
Full-timers...Home is where we park it.
Check out our blog: Living Our Dream
paz is offline   Reply With Quote
Old 05-16-2011, 06:45 AM   #4
Senior Member
tomwalt's Avatar
Tiffin Owners Club
Workhorse Chassis Owner
Join Date: Dec 2010
Location: Northern Virginia
Posts: 1,195
Not if you keep an eye on the battery water level. However - this has a lot to do with what inverter/charger you are using, battery age, and how you use the RV. Mine has been plugged in for 11 years and the only issue has been that a battery exploded because I didn't recognize the warning indications that it was failing (it progressively used a lot more water that the other battery). Like everything else on an RV, you need to learn your 12V system, clean all the connections, keep an eye on the fluids, know what normal indications are, and recognize 'not normal' indications.
Tom and Amy from Northern Virginia.
2000 Allegro 454/Workhorse P32/TST/Crossfire
Life is a DIY project - enjoy it.
tomwalt is offline   Reply With Quote
Old 05-16-2011, 09:11 AM   #5
Senior Member
Join Date: May 2007
Posts: 632
Its not the charging, its the maintaining.

One of the best things you can do for your batteries is to upgrade your converter to one that not only knows about multiple stage charging but also has a maintenance mode that will keep a full charge on the battery and do something to inhibit sulfation.

As Tom notes, keep an eye on the battery water level. If you have to keep adding water, your system is overcharging the batteries which is not good. Check the voltage as Gary suggests. If it is lower than 13.2v then it is not being kept at a full charge (depending upon temperature).

Most RV batteries spend most of their time in maintenance mode and you'll get best life from them if you use equipment that knows how to properly manage battery maintenance. Some Progressive Dynamics and WFCO converters do this. The BatteryMINDer(tm) is another option. Trickle chargers are not in this list as they don't do anything to inhibit sulfation.
BryanL is offline   Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Montana LLC question jbowlby iRV2.com General Discussion 69 02-15-2011 04:22 PM
Outside Windshield Shade Question Barrier2 Monaco Owner's Forum 3 12-08-2009 03:02 PM
Ball Hitch Question CNCCornwall Trailer Towing and Tow Vehicles Discussion 11 09-08-2009 09:07 PM
Towing Question Silversurfah Toads and Motorhome Related Towing 5 07-20-2009 06:17 AM

» Virginia Campgrounds

Reviews provided by

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 04:32 AM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.