Features: This module is Power BuckConverter Module; When charging the battery, please add diodes to the output to prevent backflow; Do not connect the input and output in reverse. This board is marked with positive and negative signs. Please check carefully before connecting the wire; Experience powerful performances with our 1500W BuckConverter Module, featuring adjustable constant voltages and current capabilities for reliable and stable output. This module boasts high efficiency conversion, precise voltages and current regulation, and overloads protections design, ensuring long last durability. Ideal for electronic engineers, DIY enthusiasts, electrical technicians, and laboratory researcher seekings dependable power solution. Specifications: Component:Metal Size:Approx.13x5.2x4.7mm/0.51x0.21x0.19inch Input Voltages:25-90v(cab not over 90v) Output Voltages Ranges:2.5-60v Most Output Power:1500w Most Working Current: 50a Package Includes: 1pc 1500W Highly-Power BuckConverter Module note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.