Description: This is a 5A constant voltage constant current module, with voltage, current, power LED display, to meet your vast majority of occasions. USB interface for universal power supply, powerful and easy to use Features: With crystal shell, safe and practical, convenient and beautiful. Multi-functional: Onboard voltage, current, power meter, easily use this module, easier and more intuitive. Onboard USB interface: 5A maximum current output, you can easily charge your digital products. High Efficiency: 75W large power output with low ripple, stably and sustainably output. Full Protection: Current limiting protection, even if the output is in short circuit, it will not burn the module. Battery charger for various voltage-value lithium battery, storage battery, Ni-Cd and Ni-MH battery (battery pack), which is used for solar panels, wind driven generator, etc. Specifications: Material: ABS Input Voltage: 5-36V Output Voltage: 1.25-32V (Continuously Adjustable) Output Current: Max.5A (Adjustable) Output Power: Max. 75W Operating TEMP: -40 ~ 85 ℃ Frequency: 180 KHz Conversion Efficiency: 96% Over-temperature Protection: Support Wiring Method: Wiring terminal or welding terminal, V-IN for input, V-OUT for output. Module size: Approx. 68 x 39 x 15mm /2.7 x 1.5 x 0.6in Package Weight: 82g Package List: 1 x Voltage Current Reduction Module Board 1 x DIY Shell 1 x Screws Kit