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1200W DC-DC Boost Step Up Converter Module
DC-DC 400W High Power Supply Step Down Module CVCC 10.5V-60V to 0-45V Buck Voltage Converter - Step Down Module - Arduino, Robotics, Raspberry Pi, ESP8266, Learning DIY, Development board ICStation
DC-DC ADJUSTABLE VOLTAGE STEP DOWN MODULE LM2596S - Whadda
Amazon.com: HiLetgo 250W DC-DC Module 10-40V to 10-50V 6A Adjustable Step-Up Power Supply Module 250W DC Booster Constant Voltage Constant Current Power Converter Module : Electronics