... .Full protection,short circuit,Overload,over Temp., Battery low/high Protection12.Fault recovery13.LED display and alarm14.Rs232 communication function ... trip / Over load trip / Power Saver onAudible AlarmBattery Low,Battery High,Over Temp. Over load,Fail,Over chargeOptionalRS232 Communication,SNMP Net ... 765*340*320765*340*320765*340*320Gross Weight 384848 Pure sine wave Home inverter N-PSW 4K-6K