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DC-DC Buck Power Converter Module, Adjustable Voltage Regulator 4-40V to 1.25-37V Buck Converter with LED Voltmeter Display(Pack of 3)

About this item
LED Numeric Display: The buck converter features an LED voltmeter that provides accurate readings with only ±0.1V error. It operates with input voltages ranging from 4.0V to 40V and outputs between 1.25V and 37V. Note that if the input voltage drops below 4V, the voltmeter will not function and the display will turn off. To power it off, simply press and hold the switch for 1 to 4 seconds. You can easily turn it back on by tapping the switch quickly.
Adjustable Buck Converter: This is a second-generation voltage regulator that runs at 150KHz. It is designed for energy efficiency and incorporates high-quality solid capacitors to maintain circuit stability and durability while filtering out high-frequency noise.
Ease of Use: Adjusting the output voltage with this buck converter is straightforwardjust use a mini screwdriver. Terminal blocks are included, so soldering is not necessary unless preferred.
Features & Safety: Two diodes on the input side protect the module against reverse polarity, ensuring it remains undamaged if connected incorrectly. It also features overheat and short-circuit protection for added safety. For usage exceeding 15W, additional heat dissipation is recommended to prevent overheating.
Applications: This buck converter is highly versatile and suitable for various applications, including car power supplies, DIY projects, and industrial equipment. Whether you're a professional or a beginner, this converter is an excellent choice.
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Additional Information
First Listed on Newegg	March 09, 2026

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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