Hope this helps, a little information that may help you... and if you want to read more, we have a RVing with SOLAR
social group,,, there is information regarding batteries along with SOLAR. The last page of the information on the batteries is if you leave them without a charger connected to them.
You do not have to be a Rocket Scientist to maintain batteries, just a lot of BASICS...
2013 Jayco Eagle 284BHS
250Watt Grape Solar Panel, MorningStar MPPT 60 Charge Controller
1500 Watt Ramsond PSI, 2 Trojan T145 Batteries (260Ah)
2 - AirSight Wireless IP Cameras (used as rear view cameras)
EnGenius WI-FI extender, D-Link wireless (n) modem
MagicJack Internet Phone
2012 Ford F150XLT, EcoBoost w/3.73
157" Wheel base, HD Towing Package
Our Solar Album http://www.jaycoowners.com/album.php?albumid=329