SUPERNIGHT 12V 30A DC Power Supply Driver,360W Universal Regulated Switching Converter AC 110V/220V Transformer Adapter for 3D Printer,CCTV,Radio,Computer Project,Industrial Automation,LED Strip

October 18, 2018 - Comment

send it by USA STORE Product Features 1.Brand New 2.Smart device surge protection for over voltage, short circuit protection. 3.Strong built for heavy duty and long usage performance. 4.UL SA CE certified.

Buy Now! $19.95Amazon.com Price
(as of 11:03 am AST - Details)

send it by USA STORE

Product Features

  • 1.Brand New
  • 2.Smart device surge protection for over voltage, short circuit protection.
  • 3.Strong built for heavy duty and long usage performance.
  • 4.UL SA CE certified.

Comments

Nelson says:

With a little pre-use inspection and thermal grease, this could serve you well. This 30 Amp power supply has to be the best deal you can find for powering VHF ham radio gear in your house. I suggest you take some time to dis-assemble it and check the solder job, make sure all the spots were hit. Helps to wipe off the factory thick heat sink paste which is smeared on the aluminum walls, and replace it with something more thermally conductive (which is pretty much anything) if you want to ensure the unit runs cooler and lasts a long time. Cheap CPU grease works great. I used…

Douglas J Webster says:

Works pretty well. Note: I’m using this for a 50W 2m HAM Radio, so I’m only drawing about 10A. That’s not even close to the rated 30A.Pros:* Works* Pretty quiet (though it does have a fan that runs all the time.)* Small* Terminals clearly labelled.* No voltage drop on the loads I’ve tested with. (Came factory set for 12.05V)Cons:* No power switch.* No instruction manual.* Does not include power cable.* Terminal labels might…

Joanne Patton says:

Noise can be fixed. I am a HF ham operator. I read the reviews by other hams regarding noise generated by this power supply. But for the price I thought I would give a shot anyway. Sure enough the PS produces hash and tone spikes all across the bands. However after some investigation and metering I have was able to eliminate most if not all of the noise and such.First and most important: DC ground is floating. It is not connected to AC ground. This is normal but a big source of noise. So to…

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