The Progressive Dynamics 4600 Series replacement RV coverters feature their 4-Stage smart Charge Wizard that greatly increases battery life. Progressive Dynamics PD4655V is an upgraded smart charger power converter meant to replace the stock Parallax/Magnatek #6355, Parallax #7355, Parallax #7155, Parallax #8355, and the WFCO #8955 power converters.
