The Ultimate 3-in-1 Power Management Solution

Whether you are building a custom solar setup, designing a test bench, or creating DIY lighting, reliable power regulation is critical. This 5A adjustable step-down buck converter is engineered to provide stable, clean power with an impressive conversion efficiency of up to 96%. It operates flawlessly in three distinct modes: as a standard step-down module with over-current protection, as a highly adaptable battery charger, and as a constant-current LED driver.

Built-In Precision and Monitoring

Say goodbye to the hassle of connecting external multimeters. The integrated digital LED screen provides real-time, highly accurate readings of your voltage, current, and power output. With its self-calibration feature, you can ensure your measurements remain precise over the module's entire lifespan. The onboard USB interface adds a layer of convenience for testing USB-powered devices (please note: the USB output mirrors the module's current voltage setting; it is not a fixed 5V output).

Engineered for Safety and Durability

Working with power requires robust safety measures. This module is equipped with comprehensive short-circuit and over-temperature protections, automatically shutting down output if thermal limits are exceeded. The included clear acrylic shell not only gives your project a clean, professional aesthetic but also protects the delicate PCB components from accidental shorts and environmental debris.