EG4-FLXBOSS21

The EG4 Electronics FLEXBOSS21 (V1.1) is a high-capacity 16kW AC hybrid inverter designed for demanding residential and light commercial solar + storage systems. Engineered for North American 120/240V split-phase applications, this inverter supports 48V battery banks and up to 21kW of PV input, enabling expanded solar array capacity and whole-home backup performance. Its advanced hybrid platform seamlessly integrates solar generation, battery storage, grid service, and generator input into one intelligent energy management solution. Designed for high-load environments, the FLEXBOSS21 delivers strong surge capability and stable output performance while supporting optimized self-consumption, time-of-use scheduling, and energy resilience during outages. Version 1.1 reflects ongoing platform refinements for enhanced reliability and performance. Built for modern code compliance and scalable energy systems, it provides installers and homeowners with powerful, future-ready solar integration.

Key Features
• 16kW AC hybrid inverter for split-phase 120/240V systems
• Supports up to 21kW of PV input capacity
• Compatible with 48V lithium battery banks
• Integrates solar, grid, battery, and generator sources
• Designed for whole-home backup and high-load applications