... control board, upgrade reliabilityEfficiencyHigh, above 90% for 15V output rectifierSave running cost (electricity cost), energy savingLifespanLong, ... local/remote control selection, CC/CV selection, history data, output waveform display. When fault occurs, it will alarm, ... products, example: we use digital meter 200RMB aboveHigh quality of rectifierControl DSP digital control, USA company DSP chip ...