Description This professional and practical DC to DC 4.5-30V to 0.8-30V 12A buck voltage converter module is constructed with a durable hard PCB board and metal materials, designed for reliable voltage regulation applications such as battery systems, power transformers, and DIY adjustable voltage regulators. Features - Color: As shown in the pictures - Material: Durable hard PCB board and metal - Dimensions: Approximately 60 x 52 x 20mm - Type: DC to DC 4.5-30V to 0.8-30V 12A Buck Converter Module - Module type: Non-isolated (BUCK) - Input Voltage: 4.5-30V - Output Voltage: 0.8-30V - Output Current: 0-12A, 100W (up to 200W with heatsink) - Operating Temperature: -40°C to +85°C - Switching Frequency: 300kHz - Conversion Efficiency: Up to 95% - Short Circuit Protection: Yes (current limit up to 14A) - Over-Temperature Protection: Yes (automatically shuts down output when overheated) - Input Reverse Polarity Protection: None (external diode recommended at input) - Mounting: Four 3mm screw holes - Wiring: V-IN for input, V-OUT for output Applications Suitable for various voltage conversion needs including battery systems, power transformers, and DIY adjustable voltage regulators. Common use cases include car power supply for laptops, 12V to 3.3V, 12V to 5V, 24V to 5V, and 24V to 12V conversions. Test Data for Reference - Input 12V, Output 5V/10A, Efficiency 81% - Input 12V, Output 5V/6A, Efficiency 86% - Input 24V, Output 12V/8A, Efficiency 91% - Input 24V, Output 19V/6A, Efficiency 94% Package List 1 x DC to DC 4.5-30V to 0.8-30V 12A Buck Converter Module with LED Indicator