Features: High efficiency 1000W module delivers stable 50A output with adjustable electric (2.5V 50V), ideal for powering demanding devices like electric vehicles and industrial tools through its wide 25 90V input ranges. Engineered with integrated heatsink and cooling fan, this metal covered converter maintains super low (<50mV) even at full load while operating in extreme conditions ( 25°C to 85°C). Essential for electronics engineers, builders, and enthusiasts requiring robust electric regulation for high current applications like LED drive or battery charging systems. Perfectly power professional equipment including angles grinders, effect wrenches, and automotive diagnostic tools in workshops, construction site , or off solar installations. IP20 rate aluminum housing ensures durability in humid environments (5 95% ), making it the go to solution for industrial automation, marine electronics, and sustainable energy projects. Specifications: Component : pcb+metal Input: 25-90V (suitable for 72V, 60V, 48V, 36V battery power supply) Output: Adjustable ranges is 2.5-50V Current: greatest 50A Power: 1000W Bare board: about 120mm x 96mm x 26mm/5x4x1inch With housing: about 130mm x 98mm x 40mm/5x4x2inch Package Includes: 1xStep Down Converter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.