... board, upgrade reliabilityEfficiencyHigh, above 90% for 15V output rectifierSave running cost (electricity cost), energy savingLifespanLong, ... lowProtectionsComplete, Phase loss, input under voltage, overvoltage, output under-voltage, overcurrent, overheat, short circuitSafe, protect ... use water cooling plate, and water cooled transformer(approved patent). Forced air cooling also availableStable ...