Sorotec Off-Grid PV 3500W solar inverter, featuring built-in BMS (Battery Management System) communication and Wi-Fi connectivity.Type: Off-grid pure sine wave solar inverterCapacity: 3500W (3.5kW)Key Features: Integrated MPPT charge controller, BMS port for lithium battery integration, and remote Wi-Fi monitoring.If you need help with error codes, wiring instructions, or setting up the Wi-Fi monitoring, let me know!