The PD9130, 30 amp power converter is designed to provide reliable filtered DC power to all recreational vehicle 12-volt lighting and appliance circuits. The PD9130 converter also provides safe and rapid recharging of RV batteries. Built-in features such as electronic current limiting, reverse battery protection, high voltage protection, low voltage operation, and over temperature shut down ensure long term reliability. The built-in TCMS (Total Charge Management System) connector allows the RV manufacturer, dealer, or owner to easily add the Charge Wizard. The Charge Wizard is a microprocessor-controlled system that constantly monitors the battery voltage and use to ensure a rapid; yet, safe, recharge. The Charge Wizard can select one of three charging voltages and one of four operating modes depending on the condition and use of the battery. Features Reverse Battery Protection. Deliver Filtered DC Power to all 12 Volt Lighting and Appliance Circuits, Providing Safe and Reliable Service. Electronic Current Limiting. Low Line Voltage Protection. Variable Speed Intelligent Cooling Fan. High Voltage Protection. Automatic Thermal shutdown. Built-in Total Charge Management System (TCMS) connector. 2 Year Limited Warranty.