If they have been drained, and are being recharged, you should check the water level and top off with distilled water. BTW, if everything was off (that runs on 12v) it should take weeks for a good battery to discharge even nominally.
2016 Jayco White Hawk 32DSBH pulled by 2014 Chevy
Gone-2013 Keystone Bullet 294BHS
Gone-2007 National SurfSide 34DE
Gone-2006 ForestRiver Sunseeker 2900LTD
Gone-1994 Fleetwood PaceArrow
Gone-1978 Kit RoadRanger