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  • EG4-FlexBOSS21 Inverter | 48V Split Phase | 21kW PV Input & EG4-GridBOSS MID | 200A Service Entrance with 90A Breaker [BNDL-E00019]
EG4-FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input & EG4-GridBOSS MID | 200A Service Entrance [BNDL-E0009]

EG4-FlexBOSS21 Inverter | 48V Split Phase | 21kW PV Input & EG4-GridBOSS MID | 200A Service Entrance with 90A Breaker [BNDL-E00019]

$6,048.12
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SKU:
BNDL-E0019
EG4 FlexBOSS21 Hybrid Inverter Spec Sheet:
EG4 FlexBOSS21 Hybrid Inverter User Manual:
EG4 GridBOSS MID Spec Sheet:
EG4 GridBOSS MID User Manual:

Revolutionize Your Solar Setup with FlexBOSS21 & GridBOSS!

Introducing FlexBOSS21 and GridBOSS—next-level solutions for true whole-home backup that put savings, efficiency, and power in your hands. Designed to work without costly main panel upgrades or critical load subpanels, these systems deliver up to $7,500 in cost savings and drastically cut installation time. With FlexBOSS21 and GridBOSS, you’re investing in streamlined, space-saving energy solutions that minimize grid reliance, lower energy bills, and offer a superior return on investment. Enjoy ultimate control over your energy needs with the industry's most versatile backup solutions.

 

EG4 FlexBOSS21

EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input

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. 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).

Features:

  • 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.

EG4 GridBOSS Micro-Grid Interconnection Device (MID)

The EG4 GridBOSS MID simplifies your Energy Storage System (ESS) by consolidating up to 10 components into a single, powerful unit. Designed to seamlessly connect utilities, generators, inverters, and loads, it offers centralized control, easy installation, and real-time remote monitoring.

Features:

  • One-Point ESS Control: Connect and manage utility, inverters, generator, and loads from a single device.
  • Reduced Complexity: Replace breakers, transfer switches, and more with one compact solution.
  • Smart Load & Power Shedding: Automate power management to optimize battery performance.
  • 200A Service Entrance: Reliable with a 22 kAIC main breaker for powerful service integration.
  • Real-Time Monitoring: Access and adjust settings remotely via the EG4 app or monitoring system website.
  • Configurable Breakers: Supports one generator up to 125A, 3 hybrid inverters up to 90A each, and 4 smart ports ranging from 60A to 125A.

Breaker Disclaimer:

The EG4 GridBOSS is equipped with 70A breakers to be used with the EG4 18kPV. This kit (SKU BNDL-E0009) includes one 90A breaker to pair with the FlexBOSS21. Additionally, Smart Port Breakers are included in 30A, 40A, 60A, and 80A sizes. These are included in the box and depicted in the manual's packing list. Please note that the 125A breaker is sold separately, and to be used in the smart port or for the generator port.

Please Note: Lifetime Customer Support is based in Texas and available via phone and email. We strongly recommend using a certified solar installer and/or master electrician for professional installation. Please note that additional components may be required for your installation.

Product Image Product Information
EG4 18KPV Hybrid Inverter | All-In-One Solar Inverter | 18000W PV Input | 12000W Output | 48V 120/240V Split Phase | EG4-18KPV-12LV

1 x EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
(Pre-Assembled) EG4 Enclosed Battery Rack | 6 Slot | Wheels Included | Bus Bar Covers | Welded

1 X EG4 GridBOSS MID | 200A Service Entrance
EG4 90A DC Circuit Breaker | Compatible with EG4 FlexBOSS21

1 X BSB 90A AC Circuit Breaker | Compatible with EG4 FlexBOSS21 Hybrid Inverter

Looking for more details? Frequently Asked Questions...

What is the GridBOSS MID, and how does it work?

The GridBOSS is a Microgrid Interconnect Device designed to simplify solar-plus-storage installations by providing intelligent load management, seamless AC coupling, and multiple smart load ports.

What makes the GridBOSS unique in the market?

The GridBOSS features four programmable ports to support AC coupling or smart loads, 200A main load support, and reduces installation time and costs by removing the need for additional components like automatic transfer switches.

Why is GridBOSS beneficial for solar installers?

It simplifies installations by consolidating components and offering flexible load management, reducing setup time and the need for extra parts.

What differentiates the FlexBOSS21 in the hybrid inverter market?

It offers the highest PV input at 21kW, a 90A utility passthrough, and 16kW of AC output capacity, making it exceptionally powerful for its class.

Is the FlexBOSS21 expandable for larger energy demands?

Yes, you can parallel up to 6 units in standalone mode and 3 units when combined with the GridBOSSs.

What are the main benefits of pairing GridBOSS with FlexBOSS21?

Together, they offer comprehensive whole-home backup power, reduce reliance on additional components, and can cut installation costs by up to $7,500.

How do the Smart Ports on GridBOSS benefit the customer?

Smart Ports allow automatic control of high-demand loads like EV chargers and HVAC, helping to lower grid dependency and optimize energy usage during peak times.

EG4 FlexBOSS21 Hybrid Inverter Spec Sheet:
EG4 FlexBOSS21 Hybrid Inverter User Manual:
EG4 GridBOSS MID Spec Sheet:
EG4 GridBOSS MID User Manual:

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