AutoSol produces solar battery maintainers and trickle chargers for cars, boats, trucks, RVs and other vehicles. They feature plug and play setup with simple connectors, durable weatherproof construction, and amorphous solar panel technology that provides charging in low light conditions. The various models include 1.2W, 2.4W and 5.5W options for maintaining or trickle charging 12V batteries, with mounting on dashboards or windshields and connections via alligator clamps or cigarette lighter plug.