10-13-2013, 09:27 AM
A charged battery won't freeze. I would look into the possibility of getting power close to the coach. I use Battery Minders on all batteries, but I'm sure Battery Tenders are the same. I've bought a few from this guy who is a little cheaper & free shipping.
http://www.pacificbattery.com/batteryminder.html
http://www.pacificbattery.com/batteryminder.html
Steve Bare
1999 Newell 2 slide #531