DROK Buck Power Converter, Waterproof DC-DC 30-60V 36V/48V to 12V Non-Isolated Synchronous Buck Power Converter Regulator Volt Power Supply Module for Automotive Electric Fan

today on the beach I have a drop dc-to-dc buck converter constant voltage caustic current supply the little pamphlet product parameters description now this unit will take an input of ten votes to 75 votes and it says adjustable output voltage range zero to sixty and that actually can be adjusted on the current from 0 to 12 amps so with 0 to 720 watt so a really impressive that a regulator kind of fuse protection there got a really big inductor little cooling fan so I wanted to try this little device I do have the smaller one that I really like this one opens up a little more opportunities as far as they even equalizing a battery pack my thoughts about needing something like this came up when I don't really have a good power supply that it go above 30 volts readily and if I get it issue what a battery pack saving for example one like this it's a 56 vote ego maybe it's gotten unbalanced