Victron Energy SmartSolar MPPT 250/60-Tr Solar Charge Controller.
 
For 12V, 24V and 48V battery systems. Maximum 250V Voc, 60A charge current. Screw terminals for both battery and PV connections. Built-in Bluetooth communication
 
Optional pluggable LCD display
 
Image shows similar unit from the same series
 
This product must be installed by a qualified electrical installer.