Adjustable DC-DC Buck Converter Power Module With Digital Voltmeter Display Plug-And-Play 4V-40V To 1.25V-37V At Up To 2A Continuous, 3A Peak, 92% Efficient, Low Ripple Under 30mV, Great For Car, DIY Electronics And Battery Projects

Single-unit adjustable DC-DC buck converter with voltmeter
✔️ Input 4-40V; output 1.25-37V; 2A continuous, 3A peak, 92% efficient

This compact, plug-and-play buck converter module with a digital voltmeter is designed to regulate low voltages for DIY electronics, automotive projects, and battery-powered systems. The screw-terminal input/output makes wiring quick and solder-free.

✅ Input voltage range: 4.0V-40V
✅ Output voltage range: 1.25V-37V
✅ Max continuous current: 2A; peak current: 3A
✅ Efficiency: up to 92%
✅ Output ripple: under 30mV
✅ Switching frequency: 150 kHz
✅ Operating temp: -45 to 85 C
✅ Volt meter on/off control with power-saving mode
✅ Terminal block for easy screw connections (no soldering)

💡 What is an adjustable DC-DC buck converter with voltmeter used for?

This handy device helps power and test a range of low-voltage electronics, and the built‑in voltmeter makes monitoring quick. - Provides regulated output from 1.25V to 37V for microcontrollers, sensors, and small motors - Handles up to 3A peak current (2A continuous) with solid efficiency - Built-in digital voltmeter for real-time voltage checks - Ideal for car projects, robotics, and DIY power supplies