Converter

600W DC-DC Converter 10-60V to 12-80V  Step-up Boost Converter Module is robust, which includes a large heatsink on the bottom and uses a boost converter for large DC Voltage.

1 x LM2596 DC-DC Buck Converter 4.5-40V to 3-35V Adjustable Step Down Module

LM2596 DC-DC Buck Converter Step Down Power Supply Module with Digital Voltage Display

XL4015 5A 75W Step-Down DC-DC Converter Adjustable Module with Voltmeter is a DC-DC Adjustable Step Down Converter Module has large power, high efficiency, low-ripple. With power indicator and on-board voltmeter, the voltmeter can calibrate automatically.

The XL4016 step down module is a 180 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 8A load with high efficiency, low ripple and excellent line and load regulation. the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator.