RS-M Series Regulated Power Supplies Output Voltage: 13.8 VDC (+/- 0.05 V) Internally Adjustable (11-15 V) Continuous Amperage Output  57 Amps ICS (Surge) Amperage Output 70 Amps Solid State Electronically Regulated Fold-Back Current Limiting- Protects Power Supply from Excessive Current & Continuous Shorted Output Ripple Less than 5 mV  Peak to Peak Full Load and Low Line Maintain Regulation & Low Ripple at Low Line Input Voltage Three Conductor Power Cord With Volt and Amp Meters One Year Warranty-  Made in USA Dimensions :   6" (H) x 13.75" (W) x  12.125" (D) Shipping Weight :    48 Lbs