SMS MPPT solar charge controller has the following specifications:
System Voltage: It is compatible with both 12V and 24V systems.
Rated Current: The controller can handle a rated current of 40A.
Maximum PV Voltage: The maximum open-circuit voltage from the solar panels (PV) should not exceed 100V.
Maximum PV Power: The maximum power it can handle from solar panels is 520W for a 12V system and 1040W for a 24V system.