... DC voltage 15V-/24V at 4000mA load, output power 80WATTS max,with short circuitRated Input Voltage:Dc12V-16v Input Rated Current ... /24V (+/-0.6V@4000mA DC LOAD)Output current: 4.0A(max) Output short circuit protection:yes Ripple Noise:100mV Line Regulation ... ( Low cost Universal car laptop adapter, 80W; output power 80WATTS max,with short circuit; PM-BY-005 )