Mouse over to zoom in

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

Price on the app only:

Already have TOMTOP APP

Scan the product's code to buy directly!

Note: Please update TOMTOP App to the latest version.

Don't have TOMTOP APP

Download freely and enjoy extra offers!

Ship From:
  • China Warehouse
Usually will be shipped in business days hours
The request failed! Please try again.
Sorry, it seems that there are no available shipping methods for your location.Please contact us for further assistance.


Ship to

United States
Stock in: china
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


Post a new topic

Please note that TOMTOP Forums are a community for all communicating and getting help each other. There will be some enthusiastic friends participate in your discussions. Of course TOMTOP customer service (with tomtop customer service icon) response is guaranteed ,which is the same way you contact us at

open this forum in full page
Customer Reviews

Average Rating:


based on 7 Customer Reviews

  • 5 stars
  • 4 stars
  • 3 stars
  • 2 stars
  • 1 stars

Share your thoughts with other customers and get Tomtop Points, the first 5 reviews get DOUBLE Tomtop Points!

Write a Customer Review
  • By k***v

    August 7, 2017

    Received today in Good condition.

    Is this helpful? (0) (0)

  • By i***o

    May 18, 2017

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

    Is this helpful? (0) (0)

  • 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

    Is this helpful? (0) (0)

Hot Event More

Top Sellers More

Please activate your account and then to buy,We will resend the activation email to help you complete your registration.