Output - input voltage: 12V @ <32V / 24V @ <48V (autodetection) Supported battery type: AGM / Gel Charging voltage (adjustable): 14.0V ÷ 15.0V / 28.0V ÷ 30.0V Holding voltage: 13.8V / 27.6V Disconnection voltage (LVD): 10.4V ÷ 11.4V / 20.8V ÷ 22.8V Reconnection voltage: 12.2V ÷ 13.2V / 24.4V ÷ 26.4V Battery overvoltage protection: 12V @ 17V / 24V @ 34V PV overvoltage protection: 12V @ 60V / 24V @ 90V Maximum charging current: 30A Maximum panel power (12V / 24V): 450W / 900W Own current consumption: 20mA Working temperature: -40 ° C ~ + 50 ° C Temperature compensation: 12V: 18mV / ° C 24V: 36mV / ° C Maximum wire size: 16mm / 6AWG Degree of protection (IP): IP21 Dimensions LxWxH [mm]: 172x126x75 Weight [kg]: 0.65