Used very good MFJ-4115. The unit powers on. Unit puts out the correct voltage. No original package.
MFJ-4115 is supercompact, great for traveling -- weighs just 11/2 lbs and is a tiny 3 3/4Wx2 1/4Hx7 3/4D inches. This tiny supply will easily fit in your briefcase or suitcase and power most VHF/UHF or QRP radios. Has over-voltage and over-current protection systems and works with AC input from 90 to 130 Volts. Output is 13.8 VDC, 17 Amps surge and 15 Amps continuous. It has one set of 5-way binding post connections. It is super clean, has a quiet fan and super regulation. Has load fault indicator and automatic shut-down.