Good Sam Club Open Roads Forum: General RVing Issues: "A-B" Battery Switch
Open Roads Forum Already a member? Login here.   If not, Register Today!  |  Help

Newest  |  Active  |  Popular  |  RVing FAQ Forum Rules  |  Forum Posting Help and Support  |  Contact  

Search:   Advanced Search

Search only in General RVing Issues

Open Roads Forum  >  General RVing Issues

 > "A-B" Battery Switch

Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  | 
Page of 2  
Prev
K3WE

Missouri

Senior Member

Joined: 05/24/2005

View Profile


Offline
Posted: 10/20/19 04:47am Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

I do have switches that allow either/or/both. Mostly I use both.


That's the deal- but the question is if you really ever NEEDED to use single batteries.

pianotuna

Regina, SK, Canada

Senior Member

Joined: 12/18/2004

View Profile


Offline
Posted: 10/20/19 09:26am Link  |  Quote  |  Print  |  Notify Moderator

I added the switches to allow me to equalize the battery banks using solar. So, yes, I need the ability to run from one battery bank while charging the other.


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp hours of AGM in two battery banks 12 volt batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

wa8yxm

Wherever I happen to park

Senior Member

Joined: 07/04/2006

View Profile


Offline
Posted: 10/20/19 04:31pm Link  |  Quote  |  Print  |  Notify Moderator

Some folks like the concept of the A/B/Both/Off switch because if one or the other battery is having "Issues" isolation is fast and efficient.

Myself.. I'm not among them (I can isolate just fine with my wrench).

As for two 12's in parallel or 2 6s in series

The GC-2 6 volt Golf car battery is a true deep cycle (Can safely to to half full) 220 (giver or take a bit) amp hour set up... so you have 100-120 (Depending on the give or take) amp hours of usable power. Nice

Most 12 volt batteries (the GC-12 is an exception it's the same as above but less capacity) are MARINE/deep cycle. you can only use about 20-25 percent of the capacity safely

Group 24 75 AH
Groups 27 and 29 Just under/over 100
Group 31 130

Give or take a bit in each size depending on maker and model.

Source. Both US battery and Interstate battery

As for how to rig your rig... Up to you.

Some folks like that if one of the 12's in parallel fails. you still have the other one.. I have a mix of 6volt and 12 volt maintenance free. Eventually I'll move to more GC2 and less Group 29.


Home is where I park it.
Kenwood TS-2000 housed in a 2005 Damon Intruder 377


Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  | 
Page of 2  
Prev

Open Roads Forum  >  General RVing Issues

 > "A-B" Battery Switch
Search:   Advanced Search

Search only in General RVing Issues


New posts No new posts
Closed, new posts Closed, no new posts
Moved, new posts Moved, no new posts

Adjust text size:




© 2020 CWI, Inc. © 2020 Good Sam Enterprises, LLC. All Rights Reserved.