If you want change to sustainable energy from the sun, you should get some solar kits. You can get a Samlex Solar Panel Kit that can be used to maintain an RV, boat or even a cottage battery. Each of these kits includes a solar panel, solar charge, controller, cables, connectors and mounting hardware. It comes with all the equipment that you will need to convert to Solar. You can even expand your Samlex Solar Charging Kit with your EXP series solar expansion kit. If you get the SRV Series Samlex Solar Charging Kit, you will get the high quality solar panel, cabling and other equipment to get your solar up and running. So if you are looking to go solar, you should get one of these solar kits.