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oiyagai 2pcs 6-40v to 5v 3a dual usb buck converter module: dc to dc voltage regulator step down power supply with port output logo

Oiyagai 2pcs 6-40V to 5V 3A Dual USB Buck Converter Module: DC to DC Voltage Regulator Step Down Power Supply with Port Output Review

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Average

Revainrating 3.5 out of 5  
Rating 
3.3
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Description of Oiyagai 2pcs 6-40V to 5V 3A Dual USB Buck Converter Module: DC to DC Voltage Regulator Step Down Power Supply with Port Output

DC-DC 9V/12V/24V/36V to 5V 3A step down power converter module. On-baord Dual USB port with 5V 3A fixed output, can be used as a USB charger for your power bank, smart phones, tablet, etc. Converting Efficiency: 92% (MAX), Switching frequency: 150KHZ. Input: 6V-40V, Output: 5V / 3A (MAX). Module Size: 59mm X 21mm X 17mm/2.32X0.83X0.67inch(L*W*H).

Reviews

Global ratings 3
  • 5
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  • 4
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  • 3
    1
  • 2
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  • 1
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Type of review

Revainrating 3 out of 5

Glad there are 2 in a pack.

.because one of them was dead on arrival. The one that worked does what I need it to do, which is power the Raspberry Pi that is connected to my 3D printer. EDIT: This does not supply enough current to power a Raspberry Pi 3+ without an undervoltage error. Look elsewhere when attempting to hook up a Pi.

Pros
  • DC-DC 9V/12V/24V/36V to 5V 3A Power Step Down Converter Module
Cons
  • -

Revainrating 2 out of 5

Poor quality control

Very poor quality. One had a broken inductor and the other had a bent USB connector. I was able to fix both of them as they weren't worth replacing and maybe two more that are even worse. I give two stars because they work after the repair. Due to the poor quality I don't expect them to last very long but I will update them in a few months.

Pros
  • Input: 6-40V, Output: 5V/3A (MAX)
Cons
  • Quality

Revainrating 5 out of 5

Great for Power Pi for Ender 3

I have this DC to USB -Converters for about 2 weeks and they work great! I use them to power a Raspberry Pi for the 2 Ender 3 Pro that I have. You don't have to adjust the input voltage, they do it automatically. ;) Thingiverse has cases for them that you can also print out. Time will tell how long they last and I'll update my review if anything changes.

Pros
  • Module Size: 59mm x 21mm x 17mm / 2.32 x 0.83 x 0.67 inch (L*W*H)
Cons
  • hides