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I have had my first one over a year, and it was used constantly. Extremely useful for my needs. I love it. I'm getting another one to double the capacity for what I make. As long as you use this item inside,it'll last you a very long time. I bought my first one here & I just bought my second one. Enjoy and buy from these,ladies and gentlemen. I'm a permanent buyer from them. Thank you so much for the idea, and I'm still going to buy other items from them I love their selection of things that an old Westing House. Thank You So Much For Everything And More. Blessings,Cheri Henderson
Verified purchase: Yes | Condition: New
I received the package with excitement about using this power supply. I ran tests to confirm the accuracy of the voltage output and found that the first 5V level was exactly on. The 20V was really 17V out, & the 30V was really 26V out and couldn't get to the advertised 30V. Not functionaly accurate and not precise in any way. Not a good buy for an engineer bench use.
Verified purchase: Yes | Condition: New
The moment I plugged it in. I hear loud electric noise. The power supply is not stable at all. I measured the output, it has a 700-1V Ripple noise. Maybe it’s just this one. But if you look inside of it, it’s made from components no more than $5. Be careful about this product.
Verified purchase: Yes | Condition: New
it works as advertised, not a $2000 unit , but gets the job done.
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
