Adjustable DC-DC converter power supply module upgrades LM2596 voltage regulator module with voltage meter display Feature: 100% Brand new and high quality Input voltage range: 4-40 v (40 v to limit the highest voltage). Output voltage range:1.25V -37V (decompression mode, input output must be greater than 2 V above). Output current: 2 A continuous output. Read more about DC-DC Buck Step Down Converter Module LM2596 Voltage Regulator with Led Voltmeter[…]