The SolaX X1 Boost-G4 4200W Single Phase inverter is a next-generation residential solar inverter, engineered for high efficiency, advanced safety, and seamless smart home integration. With dual MPPT, built-in AFCI, DC switch, and WiFi connectivity, it delivers reliable performance and remote monitoring for modern solar setups.
Key Features:
200% PV oversizing and 16A input per MPPT, supporting high-power solar panels for maximum energy yield.
Dual MPPT with a wide voltage range (40–560V) and 50V ultra-low startup voltage, ensuring early start and optimal performance in varied conditions.
Advanced safety with integrated Type II SPD (AC & DC side), AFCI (Arc-Fault Circuit Interrupter) support, and rapid shutdown readiness.
Built-in WiFi and app-based configuration, plus 10-second data refresh on SolaX Cloud for real-time monitoring and easy system management.
Smart load management for integration with heat pumps and EV chargers, plus support for parallel operation of up to 5 inverters without external EMS.
![Solax X1 Boost-G4 4200W Single Phase [AFCI / DC Switch / WiFi] (2 MPPT)](/images/ww/product/Solax%20X1%20Boost-G4%204200W%20Single%20Phase%20AFCI%20DC%20Switch%20WiFi%202%20MPPT.jpg)