-Wide PV input range: 1.5K/3K/4.2K models start from30VDC, and 6.2K-12K models start from 90VDC -Built-in communication port for BMS - Built-in WiFi with APP for remote monitoring and OTA firmware upgrade -Battery independent design. Battery equalization function to optimize batteryperformance and extend lifecycle -Built-in anti-dust kit -Dual AC outputs for smart load management(only for 4.2K-12K models)