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MFJ-4225MV MFJ4225MV MFJ Original 25A Switching Power Supply

(1317 Reviews)
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$199.99
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(10000 available )
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13 Ratings
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Reviews

  • Dr. Johnny Fever

    > 24 hour

    Works great the first 5 years, then mine blew-up- not repairable. Other than that, it worked quite well. Only issue than the meltdown was that if you had stray RF in the shack, it would affect the supply. For example, even a portable driving a small magnetic mobile antenna near the power supply would totally shut it down. The fan is very noisy, but did its job. Great fun while it lasted.

  • CC

    > 24 hour

    The MFJ-4225MV is perfect for building kits or to power QRP radio projects. I keep in on my desk in my computer room / ham shack on a glass desk. Its light weight and has the cigarette lighter adapter built-in to plug in mobile radios and my Garmin! This was a great little find for 9V-19V applications

  • Gennaro Prohaska

    > 24 hour

    Good unit.

  • John Modlin

    > 24 hour

    I Like this power supply and meters. Works and looks great

  • Kindle Customer

    > 24 hour

    Works great for my radios.

  • Mainuh

    > 24 hour

    Works well, but fans are very loud. Had to hide it in a cabinet and can still hear it in there.

  • Justin

    > 24 hour

    Love it! Currently running two radios off of this without any issues. Nice and easy to ready gauges and very adjustable for power needs!

  • jimmyanne

    > 24 hour

    Purchased for a friend. He just thinks it is the greatest. I owned one too, and have had no problems with it. Works great on my Icom 718

  • J. Justus

    > 24 hour

    Arrived very very fast and no damage great PS not loud as some people comment. You can hear it but its not overwhelming.

  • RWJ

    > 24 hour

    Great high quality, clean 12V power supply in a small package

MFJs MightyLites Switching Power Supplies are so light and small you can carry them in the palm of your hand! Take them with you anywhere. No more picking up and hauling around heavy, bulky supplies that can give you a painful backache, pulled muscle or hernia. MFJs 25 Amp MightyLite weighs just 4.2 lbs. -- thats 5 times lighter than an equivalent conventional power supply. No RF Hash! These babies are clean... Your buddies wont hear any RF hash on your signal! None in your receiver either! Some competing switching power supplies generate objectionable RF hash in your transmitted and received signal. These super clean MFJ MightyLites Switching Power Supplies meet all FCC class B regulations. Low Ripple...Highly regulated. Less than 35mV peak-to-peak ripple under 25 amp full load. Load regulations is better than 1.5% under full load. Fully protected. You wont burn up our power supplies! They are fully protected with Over Voltage and Over Current protection circuits. Worldwide Versatility. MFJ MightyLites Switching Power Supplies can be used anywhere in the world! They have switchable AC input voltage and work from 85 to 135 VAC or 170 to 260 VAC. Replaceable fuse. MightyLites....Mighty Features. The MFJ-4225MV MightyLite Switching Power Supply feature a front panel voltage control. It lets you vary the output voltage from 9 to 15 volts DC and gives you a highly regulated voltage output -- this includes 12 Volt DC and 13.8 Volt DC!. You get an easy access front panel with five way binding posts for heavy duty use and a cigarette lighter socket for mobile accessories. Large 3 inch dual meters are brightly illuminated to make it easy to monitor load voltage and current. A whisper quiet internal fan efficiently cools your power supply for long life!

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