I am contemplating purchase of a solar battery charger for use on the 2003 Ranger in my signature. This vehicle is used pretty much as my yard cart and serves additional duties as my Menardsmobile/Loweslimo, and as such is not necessarily my daily driver. I have been having issues the last year with battery drainage, and according to the guy at Advance that tested it the last time, it has close to a 1 amp draw. Some day when I have time, we'll deal with it but for now, this task has been back bucketed. Due to where the vehicle is parked, use of a trickle charger is impractical due to having extension cords running across the driveway, thus the focus on a solar unit. However, none of the units that I have looked at have had decent reviews, let alone excellent ones. I have also read about these units draining the battery, which of course would be counterproductive to the desired outcome. This is the best unit that I have found so far. http://www.amazon.com/Schumacher-SP-400-...2K759XXCN1Z7QJH Schumacher also recommends use of a Solar Charge Controller to deal with the back feed issues. I would like to use the 12V plug option and put it on the dash of the truck when not in use. Looking for recommendations of good units and advice on whether or not my planned application is feasible or pointless. Thanks in advance.