The Fortron/Source 4-Stage Recreational Vehicle Power Supply provides consistent and reliable power to your RV INPUT CHARACTERISTICS AC Input Voltage Rating 120 Vac Range 105-130 Vac AC Input Current Inrush Current <75A @120Vac Power Factor N/A OUTPUT CHARACTERISTICS Output Voltage 13.75 Vdc Output Voltage Range 13.2 - 14.4 Vdc Output Power Efficiency Typical values 80% @ 120 Vac Hold-Up Time 20ms @120Vac Startup Time 1000mS Max Load Regulation 1%Vdc Line Regulation 0.5 %Vdc Three Charging BULK, NORMAL, FLOAT Over Load Protection 105-120%, Auto resetting Short Circuit Protection Continuous, Auto resetting Over Voltage Protection 115-125%, Auto resetting Overtemp