The Progressive Dynamics Inteli-Power 4600 Series Converter/Charger is an upgrade or replacement for many RV power center converter/chargers and features a built-in Charge Wizard to dramatically increase battery life. Model PD4655V replaces these converter sections: Parallax/Magnatek 6355, Parallax 7355, Parallax 8355, Parallax #7155, and WFCO 8955. It's the intelligent way to charge and maintain your RV battery!