WZ5005 250W DC Buck Converter CC CV LCD Adjustable Power Module
WZ5005 250W DC Buck Converter CC CV LCD Adjustable Power Module
WZ5005 DC-DC Buck Converter Power Module — 250W CC CV Adjustable Regulated Power Supply with LCD Display
Take precise control of your bench power supply needs with the WZ5005 250W DC-DC Buck Converter Module. Designed for electronics enthusiasts, engineers, and laboratory professionals, this compact yet powerful step-down module delivers high-accuracy constant current (CC) and constant voltage (CV) regulation with a vivid 1.8-inch color LCD readout — all in a flame-retardant, lightweight form factor. Made in China.
Why Choose the WZ5005?
- High Power & High Precision: Supports up to 250W output with output voltage accuracy of ±(0.3%+3 digits) and current accuracy of ±(0.5%+5 digits) — ideal for demanding lab and prototyping work.
- Wide Input & Output Range: Accepts 6–55V DC input and delivers a fully adjustable 0–50V DC output at 0.01V resolution, giving you fine-grained control across a broad voltage spectrum.
- Vivid 1.8" Color LCD Display: Monitor input voltage, output voltage, output current, power, energy (Wh), capacity (Ah), and elapsed time — all at a glance. Screen brightness is adjustable across 7 levels.
- Comprehensive Built-In Protections: Overvoltage, overcurrent, over-temperature, and under-voltage protections safeguard both the module and your connected devices.
- Energy & Capacity Tracking: Built-in energy measurement up to 9,999.99 Wh and capacity measurement up to 9,999.99 Ah with a statistical time range of 0–100 hours — perfect for battery testing and characterization.
- Flame-Retardant Materials: Built with safety-grade flame-retardant construction for reliable, long-term bench use.
- Compact & Lightweight: Small footprint fits easily into custom enclosures, DIY power supply builds, or directly onto your workbench.
Full Technical Specifications
| Display | 1.8-inch color LCD (7 brightness levels) |
| Input Voltage Range | 6 – 55.00 V DC |
| Input Voltage Resolution | 0.01 V |
| Input Voltage Accuracy | ±(1% + 5 digits) |
| Output Voltage Range | 0 – 50.00 V DC |
| Output Voltage Resolution | 0.01 V |
| Output Voltage Accuracy | ±(0.3% + 3 digits) |
| Output Current Resolution | 0.01 A |
| Output Current Accuracy | ±(0.5% + 5 digits) |
| Max Output Power | 250 W |
| Typical Output Ripple | 150 mV peak-to-peak |
| Operating Temperature | -10°C to +40°C |
| Energy Measurement Range | 0 – 9,999.99 Wh (±2% error) |
| Capacity Measurement Range | 0 – 9,999.99 Ah (±2% error) |
| Statistical Time Range | 0 – 100 hours |
| Step-Down Working Mode | Differential pressure > 0.05% + 1V |
Package Includes
- 1× WZ5005 DC-DC Buck Converter Power Module
Important Notes
- Due to differences in lighting and screen calibration, the product color may vary slightly from images shown.
- Please allow ±1–3 cm tolerance due to manual measurement.
Learn More About Electrical Safety
For guidance on safe practices when working with DC power supplies and electrical components, visit OSHA's Electrical Safety Resource.
Frequently Asked Questions
Q: What is a DC-DC buck converter and what is the WZ5005 used for?
A: A DC-DC buck converter is a step-down power regulator that converts a higher DC input voltage to a lower, precisely controlled DC output voltage. The WZ5005 is used in electronics labs, DIY bench power supplies, battery testing rigs, solar charging systems, and anywhere you need adjustable, regulated voltage and current output up to 250W.
Q: What input voltage does the WZ5005 require?
A: The WZ5005 accepts a DC input voltage between 6V and 55V. The output can then be adjusted from 0V to 50V DC. Note that the module requires a minimum 1V+ differential between input and output to maintain regulation in step-down mode.
Q: Does the WZ5005 have short-circuit or overload protection?
A: Yes. The WZ5005 features built-in overvoltage protection, overcurrent protection, over-temperature protection, and under-voltage protection to keep your module and connected equipment safe during operation.
Q: Can I use the WZ5005 for battery charging and capacity testing?
A: Absolutely. The module's built-in CC (constant current) mode, combined with its capacity (Ah) and energy (Wh) tracking functions, makes it well-suited for controlled battery charging and discharge capacity measurement applications.