Electronics > Beginners
meanwell supplies on aliexpress
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Psi:
As said above, get meanwell powersupplies from mouser, it's the same price and you know it's good.
LaserTazerPhaser:
Obtained all 3 @ $32 per piece and tested them to ~17amps voltage did not drop below the 5% spec. The serials are authentic and the supply was absolutely new without issues.

https://www.ebay.com/itm/Mean-Well-GS280A12-C4P-AC-DC-Switching-Adapter-Desktop-Power-Supply-/254222795030?_trksid=p2047675.m43663.l44720&nordt=true&rt=nc&orig_cvip=true

Obtained this also and it also has authentic serial and tested to ~4amps without voltage dropping out to a similar 12v 60W meanwell adapter from mouser. They even warmed nearly identically. Seems adapters are fine if its not out from Aliexpress aside from enclosed frame type of supplies were components can be inspected.

https://www.ebay.com/itm/New-Mean-Well-GST60A12-P1J-12V-Power-Supply-Adapter-/123725555905?_trksid=p2349526.m4383.l44720.c10&nordt=true&rt=nc&orig_cvip=true
tkamiya:

--- Quote from: wraper on May 17, 2019, 10:30:29 pm ---...I'm tended to think POWERNEX is a one guy sitting on his coach.

--- End quote ---

I met several eBay sellers in person in my area.  This is actually close to truth.  Operation that looks large can be just one person and a part time assistant.  I received good service though.  I also communicated with Chinese sellers.  He IS the whole operation, according to him.  Too small of sample, I know.

As to Chinese sellers, I have so many bad experiences.  Fakes and not able to communicate.  I'm sure there are many good ones but as a buyer, I have no ways to tell.  Comments and reviews are no help either.  I have similar experiences from Amazon sellers as well.  I am Asian and I don't think I'm bigoted or uninformed.  Experiences tell me to be careful.  Sad but a reality we all live in.
Raj:
I won't trust it, but it looks original to me.
Good thing, you choose an un-enclosed one.
check for a match in model number at meanwell's website
Compare he photos of aliexpress to element 14...down to each component.

If the components are same, the board layout is same...there's no reason it won't act like original
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