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DC-DC Adjustable Power Step-down Charge Module DIY Kit LED Driver Voltmeter Ammeter Peak Current 3A

DC-DC Adjustable Power Step-down Charge Module DIY Kit LED Driver Voltmeter Ammeter Peak Current 3A

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Stock in: china


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This module uses STN LCD to display voltage and current at the same time, you can press the button adjustable the voltage.

Adopts STN LCD to display voltage and current at the same time.
With wiring terminals, convenient for use if no soldering iron.
Input voltage: 5-23V(Top 23V, should be used within 20V, input voltage must be higher than the output voltage of 1V above). 
Output voltage: 0-16.5V continuous adjustable, saved the setting voltage automatically.
3A peak current, should be used in 2A, accuracy is 1%, Min. display 0.01A.
High conversion efficiency, up to 95%(efficiency affected by input and output voltage, current and pressure difference).
Delicate acrylic case, components can be well protected and the clock looks stylish.
Press the button to adjustable the voltage, single-press adjust 0.04V, long press 1S can quickly adjust the voltage.
A great DIY kit for DC-DC step-down charge module.

Display: STN LCD
Input Voltage: 5-23V
Output Voltage: 0-16.5V
Peak Current: 3A
Efficiency: 95%
Load Regulation S(I) 0.8% or less
Voltage Regulation S(u) 0.8% or less
PCB Board Size: 50 * 30mm / 1.97 * 1.18in
Package Weight: 43g / 1.52oz

Package List:
1 * DC-DC Step-down Module Kit


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Customer Reviews

Average Rating:


based on 22 Customer Reviews

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  • By k***c

    May 31, 2018

    Arrived as described. Excellent packaging. No missing pieces.

    Is this helpful? (0) (0)

  • By c***i

    March 11, 2018

    This is very nice indeed. Thanks.

    Is this helpful? (0) (0)

  • By p***l

    March 3, 2018

    Smooth transaction, quick delivery, no problems, a recommended seller, 5 stars.

    Is this helpful? (0) (0)

  • By i***n

    February 26, 2018

    Thx Best regards happy new year . Happy

    Is this helpful? (0) (0)

  • By d***e

    February 6, 2018

    Goods received exactly as described

    Is this helpful? (0) (0)

  • By r***h

    January 8, 2018

    Well Packed Great Service Great Product Thank You

    Is this helpful? (0) (0)

  • By s***a

    December 18, 2017

    I was surprise how someone has got the idea of this. Very nice kit

    Is this helpful? (0) (0)

  • By j***a

    December 8, 2017

    my item arrived fast and was well packaged, many thanks!

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  • By z***a

    November 23, 2017


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  • By m***y

    November 10, 2017

    The product is right and has arrived fast! :)

    Is this helpful? (0) (0)

  • By k***v

    August 7, 2017

    Received today in Good condition.

    Is this helpful? (0) (0)

  • By a***a

    July 3, 2017

    Bom vendedor de acordo com o produto anunciado

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  • By g***w

    June 18, 2017

    Thank you!

    Is this helpful? (0) (0)

  • By b***7

    May 27, 2017

    Very fast delivery, Excellent item, 10/10...

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  • By i***o

    May 18, 2017

    Great Little unit. not yet used as came a little damaged seller refunded. :)

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  • By d***u

    May 5, 2017

    Good seller, quick dispatch. Thank you.

    Is this helpful? (0) (0)

  • By l***3

    April 30, 2017

    arrived in good time, as good as described .good price and perfect fit. A+

    Is this helpful? (0) (0)

  • By e***n

    April 12, 2017

    I received my package, thanks.

    Is this helpful? (0) (0)

  • By v***i

    April 11, 2017

    Very quick item arrival. Item as described. Recommendable seller. Thanks.

    Is this helpful? (0) (0)

  • By m***4

    April 7, 2017

    good delivery cleaver little item

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