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EG4 FlexBOSS21 | GridBOSS

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Get ready. We're about to change the game for solar.

Introducing an upcoming breakthrough in energy independence: the EG4 FlexBOSS21 & GridBOSS, two powerhouses designed to work seamlessly together or on their own. Imagine a solar energy system that doesn’t just keep the lights on—it redefines what’s possible, providing unmatched control, efficiency, and whole-home reliability. Stay tuned for a new era in solar power!

Why Choose the FlexBOSS21 + GridBOSS System?

  • Save on Installation: Eliminate the need for costly extra electrical components—save up to $7,500.
  • Customizable Power Control: Smart Ports on the GridBOSS allow for flexible load management, from electric vehicle charging to controlling high-energy appliances.
  • Future-Proof Your System: Both the FlexBOSS21 and GridBOSS are easily expandable, making them perfect for growing energy needs.
  • Powerful Performance: The FlexBOSS21 delivers up to 16kW AC output and can even handle starting a 5-ton AC unit, making it ideal for large homes or small commercial systems.
  • Combined Savings & Performance: Save money, reduce installation time, and enjoy a complete energy backup solution for your home—all while future-proofing your energy system.

EG4 FlexBOSS21: Versatile Hybrid Power

  • 21kW max solar input with a high 600VDC capacity
  • Capable of grid-tied, off-grid, or hybrid configurations
  • Three MPPTs for optimal solar management
  • Compatible with EG4 batteries and other 48V battery systems
  • Seamless integration with GridBOSS for full energy system control

EG4 GridBOSS: Smart Energy Management

  • Automated energy storage and grid optimization
  • Smart peak shaving to reduce energy costs
  • Fully compatible with FlexBOSS for a complete ESS
  • Remote system management and notifications via the EG4 app
  • Optimized for time-of-use rates and grid sell-back