• S$35.66
  • GST-Inclusive Price
Ships from Hong Kong.
Most customers receive within 10-17 days.
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Adjustable DC-DC Step-Down Buck Converter Module with LED Voltmeter Display, Voltage Regulator 4.0-40V Input to 1.25-37V Output Power Supply Module (Pack of 3)

  • About this item
  • LED Numeric Display: This buck converter is equipped with an LED voltmeter display, featuring a measurement error of ±0.1V. The input voltage range is from 4.0V to 40V, and the output voltage range is from 1.25V to 37V. Note that the onboard voltmeter will not operate and display if the input voltage is below 4V. The voltmeter can be switched off by holding the switch for over 1 second and less than 4 seconds, then releasing it. To turn the voltmeter back on, simply press the switch briefly.
  • Adjustable Buck Converter: The internal oscillation frequency is 150KHz. This second-generation voltage regulator offers low power consumption and high efficiency, utilizing high-quality solid capacitors to enhance circuit stability and durability while effectively filtering out high-frequency noise.
  • Ease of Use: The adjustable buck converter allows for simple output voltage adjustments using a mini screwdriver. It includes terminal blocks for quick connections, so soldering is not necessary.
  • Features & Safety: The input side of the buck converter is protected by two diodes, preventing damage if connected backwards. It also includes overheat and short-circuit protection. For power over 15W, ensure adequate heat dissipation.
  • Applications: This buck converter is suitable for a variety of applications, including car power supplies, DIY projects, and industrial equipment. It is ideal for both professionals and beginners.
  • Product dimensions: 5.9 x 4.7 x 0.6 inches.
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First Listed on Newegg May 16, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

  • Return for refund within: 30 days
  • Return for replacement within: non-replaceable
  • This item is covered by Jiamayanonly Return Policy
  • *Subject to applicable law
  • Warranty Notice:

    This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

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