Batteries have been discussed a great deal on this forum. One theread that you might find helpful is this one
http://www.montanaowners.com/forums/...ad.php?t=13546
I have the same set-up as Padredw, and I am finding it very good for our needs which include occasional extended weekends of boondocking and sometimes overnight stops in cold conditions that require extensive use of the furnace.
Hope you find this helpful, ....and by the way, there are no "stupid questions" here.
OntMont (John and Donna)
2005 Montana 3670RL
2007 Silverado "Classic" 3500 DRW 4x4 CC D/A.
2001 Border Collie to ride herd on us.
