... protection 3, Output current limiting protect 4, LED digital screen Battery Charger 240VDC-20A Main characteristic of the modulelModularization design, realize ... module has been added diode against reverse pour at output terminal.lLED digital screen, digital calibrate, stable current ,fault alarmlOutput overvoltage ... factor≤0.2%Load100% rated output current AC to DC Battery Charger 240VDC-20A