DC-DC Adjustable Power Step-down Charge Module DIY Kit LED

This module uses STN LCD to display voltage and current at the same time you can press the button adjustable the voltage.Features:Adopts STN LCD to display voltage and current at the same time.With wiring terminals convenient for use if no soldering iron.Input voltage: 5-23V(Top 23V should be used within 20V input voltage must be higher than the output voltage of 1V above).Output voltage: 0-16.5V continuous adjustable saved the setting voltage automatically.3A peak current should be used in 2A accuracy is 1% Min. display 0.01A.High conversion efficiency up to 95%(efficiency affected by input and output voltage current and pressure difference).Delicate acrylic case components can be well protected and the clock looks stylish.Press the button to adjustable the voltage single-press adjust 0.04V long press 1S can quickly adjust the voltage.A great DIY kit for DC-DC step-down charge module.Specifications:Display: STN LCDInput Voltage: 5-23VOutput Voltage: 0-16.5VPeak Current: 3AEfficiency: 95%Load Regulation S(I) 0.8% or lessVoltage Regulation S(u) 0.8% or lessPCB Board Size: 50 * 30mm / 1.97 * 1.18inPackage Weight: 43g / 1.52ozPackage List:1 * DC-DC Step-down Module Kit