... control board, upgrade reliabilityEfficiencyHigh, above 90% for 15V output rectifierSave running cost (electricity cost), energy savingLifespanLong, more ... , local/remote control selection, CC/CV selection, history data, output waveform display. When fault occurs, it will alarm, ... we use water cooling plate, and water cooled transformer(approved patent). Forced air cooling also availableStable running ...