Astron RS-20A 20 amp power supply for 40-50 watt mobiles.
Output Voltage 13.8 VDC (+/- 0.05 V)Internally Adjustable (11-15 V). Continuous Amperage Output 16 Amps. ICS (Surge) Amperage Output 20 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: 5" H x 9" W x 10.5" D.