Luowei D4 30V 5A four-channel DC power supply

Luowei D4 30V 5A four-channel DC power supply

The Luowei D4 30V 5A Four-Channel Storage High-Frequency Output Curved Color Screen DC Power Supply is a professional-grade multi-output power source designed for electronics engineers, repair technicians and hobbyists. Its four independent channels allow simultaneous powering of multiple circuits, modules, sensors or prototypes — eliminating the need for multiple power supplies.

Boasting a vibrant curved color display, the D4 delivers clear real-time readouts of voltage, current and output status for each channel. High-frequency output technology ensures smooth, ultra-stable DC power with minimal ripple, which is essential for accurate testing, device calibration and sensitive circuitry work.

With built-in parameter storage and recall, users can save frequently used configurations to streamline testing workflows. The combination of precision control, reliable performance and an intuitive interface makes this power supply an excellent choice for mobile repair benches, PCB testing, lab work, and development environments.

⭐ Key Features

• Four Independent Output Channels — power multiple devices at once
• 30V / 5A Per Channel — wide output range for diverse testing needs
• High-Frequency Output Technology — ultra-stable power with low ripple
• Curved Full-Color Display — clear real-time parameter visualization
• Parameter Storage & Recall — save and reuse custom power setups
• Independent Adjustment Knobs — precise voltage and current control
• Over-Voltage & Over-Current Protection — safeguards circuits and supply
• Compact Bench-Ready Design — ideal for repair labs and benches
• Multi-Application Use — suitable for testing, OEM work, R&D labs
• Professional & DIY Friendly — for engineers and hobbyists alike

📐 Technical Specifications