Output Voltage: 13.8 VDC (+/- 0.05 V) Internally Adjustable (11-15 V).Continuous Amperage Output 9 Amps.ICS (Surge) Amperage Output 12 Amps.Solid State Electronically Regulated.Fold-Back Current Limiting- Protects Power Supply from Excessive Current and Continuous Shorted Output.Ripple Less than 5 mV Peak to Peak Full Load and Low Line.Maintain Regulation and Low Ripple at Low Line Input Voltage.Three Conductor Power Cord.Made in USA.Dimensions: 4.5- H x 8- W x 9- D.