Harbor Freight Solar Panels 45 watt
45 watts is a maintenance charge, unlikely to restore capacity to the battery in the time needed to provide for usage. You make might be better off looking into a couple hundred watts and appropriate controller.
The suggested AMSOLAR education site had excellent sizing information.
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.