GridBOSS Compatible

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EG4® FlexBOSS18
The EG4 FlexBOSS18 is a powerful and cost-effective hybrid inverter. With 13kW continuous output, up to 18kW solar input utilization, and 10kW battery-only output, it delivers exceptional performance for a wide range of solar applications. Built for versatility, the FlexBOSS18 seamlessly integrates with EG4’s complete battery lineup, including optimal pairing with GridBOSS systems. Its flexible installation options and enhanced power output compared to 12kPV models make it an accessible entry point into hybrid solar without compromising on performance. Whether you’re looking to maximize solar efficiency, enhance backup power, or streamline installations, the FlexBOSS18 delivers professional-grade capabilities at unmatched value.

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EG4® FlexBOSS21
The EG4 FlexBOSS21 is a split phase, all-in-one, hybrid inverter designed for the residential and small commercial markets. With a 21kW usable PV (DC) input, the FlexBOSS21 provides high power output, generating 12kW of AC power during non-sunlight conditions and a full 16kW AC with solar PV gain. It is a powerful and versatile inverter which can feed-through 90 Amps of utility power from the grid at 120/240 VAC. The FlexBOSS21 is an enhanced cousin to EG4’s flagship 18kPV inverter that has been designed to optimally work with EG4’s GridBOSS MID (power gateway). The combination of FlexBOSS21 and GridBOSS significantly reduces installation expenses by replacing unnecessary components and reducing installation time. This makes the FlexBOSS21-GridBOSS combination an unbeatable choice for customers looking to build powerful, cost-effective and scalable solar systems.

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