Hello, guys
Recently I got this overpowered power supply.
http://www.part.lt/img/1361e9b058c38f2182bded2bac15700a472.JPG
It has 1500W of power, adjustable voltage and is capable to deliver 35amps.
http://www.part.lt/img/ef79e9c71ce210565a7a60c4d3e33555860.JPG
I replaced pot and setted desired...