Solar Powering your RV is easy with ETA Engineering. Our all-in-one RV Power Up family of photovoltaic charging system kits are all you need to charge the batteries in your Recreational Vehicles (RV). By including an optional, properly sized inverter system and deep-cycle battery bank to your kit (call us and we'll find the right products for you), you can easily supply 120 Volts AC electricity (the same as at home) to your RV electrical systems.