String inverter by  Sungrow SG20RT-V115. It has an application through which this inverter can be turned on, the software can be updated and its operation can be monitored in real time. It is compatible with double-sided modules, built-in PID function, quick circuit breaker in the event of an arc, and a compatible design. The inverter with a power of 20,000W and high efficiency of 98.5%. It also has a 10-year warranty.