RV Trailer Camper 9800 Series Electronic Converter/Charger 45A WF-9845 Power Converter; 9800 Series; Converts 105 To 130 Volt AC To 13.2 To 14.4 Volt DC; 780 Peak Watts; 45 Amp DC Output; Protection From Short Circuit/ Reverse Polarity/ Over Current/ Over Temperature/ Over Voltage; 8.6 Inch Width x 5.9 Inch Depth x 3.9 Inch Height; Deckmount; With Battery Charger Provides 45 Amp Of Clean, Reliable DC Power, Which Is Ideal For Powering Electronics And Appliances Automatic Three-Stage Battery Charging Maintains Your Batterys Life. Quiet Operation Is Assured As The Cooling Fan Runs Only When Needed Designed To Comply With FCC Class B, Which Means That The Converters Do Not Cause Interference With Televisions, Radios Or Other Signal Electronic Current Limiting Automatically Shuts Down The Power During Overload Or Short-Circuit Conditions