EG4 FlexBOSS21 Hybrid Inverter 48V | 21kW PV Input | 16kW AC Output

Flexible Power Options: Operate off-grid, with grid support, or sell excess power back to the grid.
High PV Input Voltage: Supports up to 600V DC, allowing reduced cable sizes.
Smart Connectivity: Remote access with Wi-Fi and closed-loop communication with compatible batteries.
Safety-First Design: Includes rapid shutdown, ground fault monitoring, arc-fault protection, and robust safety certifications.

The EG4 FlexBOSS21 is a powerful hybrid inverter/charger for solar setups, enabling reliable power storage and use with 21kW PV input, support for large appliances, and full remote management.

Versatile and Powerful Hybrid Inverter

The EG4 FlexBOSS21 is a versatile 48V split-phase, hybrid inverter/charger that offers the same dependable power as the 18kPV with enhanced flexibility. Powerful enough to start a 5-ton AC unit, the FlexBOSS21 supports 21kW of PV input. Capable of paralleling up to 10 units together, the FlexBOSS21 has an impressive total output of 160kW continuous when using pv input. Three MPPTs give users optimal control over their solar needs, while the updated EG4 monitoring software allows for convenient total remote management, complete with mobile notifications and remote setting. Seamless interaction with GridBOSS gives users control over their entire Energy Storage System (ESS).