Features: • Optional remote panel available • Optional Internal DC switch for added safety protection. • Optional Wi-Fi. • Optional Flexible communication connection, support USB,Ethernet. • Built-in MPPT solar charge controller • Double MPPT tracker, MPPT tracking accuracy more than 99.8%. • Max.efficiency 97.8%, European efficiency 97.2% • Power factor continuously adjustable • Transform design and easy installation. • Comply with European, Asian-public safety regulation. • 5 Year standard warranty. Specifications: Model: 3000VA - 5000VA Max. DC Voltage: 500V DC Maximum Efficiency: 99.9%