This module is very useful to build a cheap high power bench power supply with. Add a cheap switching power supply, a box, some binding posts and some work.
Compared to professional units it is missing a lot: Lower noise, both numeric keypad and encoded, 4 terminal connections, computer control, larger display. But for the price it is very good and works fine.
Read the post on Hackday Absolute Power — Hackaday
See detailed review lygte-info.dk