... Type choosing.10. LCD and LEDs show all kinds of parameter.11. Communication Port. RS232 communication can provide ... GEL battery)12V/24V/48VsystemSealed lead acid, vented, Gel, NiCd battery(Other types of the batteries also can be defined) ... kg)3.6ColorBlue/Green (optional)SafetyCE,RoHS, PSE,FCCEMCEN61000Type of Mechanical ProtectionIP21EnvironmentHumidity0~90%RH ( no condense)Altitude0~3000mOperating ...