EG4 FlexBOSS18 & GridBOSS Smart Home Energy Control Bundle

$5,038.97

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SKU: EG4-FlexBOSS18-GridBOSS-Bundle Category:

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EG4 Indoor WallMount Battery 48V 314Ah

Description

Hybrid Power Management System for Off-Grid & Grid-Tied Solutions

Take control of your energy with a smarter, simpler solar solution designed for real-world living. The EG4 FlexBOSS18 Hybrid Inverter paired with the EG4 GridBOSS Microgrid Interconnection Device creates a fully integrated system that delivers seamless battery backup, intelligent power sell-back, and effortless energy management — all working together as one cohesive, streamlined solution. By combining the powerful performance of the FlexBOSS18 with the intelligent control and simplified installation of the GridBOSS, this bundle provides a cleaner, more efficient path to home energy control. The result is a reliable, future-ready solution designed to grow with your needs — giving you the confidence, savings, and peace of mind that come with powering your home your way.

GridBoss FlexBoss18 integration and compatibility information with installation benefits.

Key Benefits:

  • Time-of-Use Optimization: Easily program the system to prioritize solar/battery to power your appliances and lower grid energy consumption during peak demand hours to really help lower your monthly bill.
  • Future-Ready Expansion: The EG4 GridBOSS allows for seamless integration of up to 3 hybrid inverters so that this system can easily grow and expand along with your future energy needs.
  • Seamless Battery Backup: Internal relays of the EG4 GridBOSS combined with the high output capacity of the FlexBOSS18 mean that your home will continue to have power even if the grid is down.
  • Easy Load Shedding: Have a high demand appliance? This system allows you to connect 4 different appliances or other connections and effortlessly turn them on or off to conserve power when they are not needed.

Use Cases:

Ideal for homeowners looking to achieve seamless battery backup, reduce electricity costs, and gain greater energy independence with a streamlined, all-in-one system.

Tech Specs:

EG4 FlexBOSS18

  • Max Continuous Output (Grid and PV): 13kW
  • Input/Output Voltage: 120V/240V
  • Max Solar Input Power: 18kW
  • Weather Rating: NEMA 4X

EG4 GridBOSS V3.1

  • Supported Inverters: EG4 12kPV, 18kPV, FlexBOSS18, FlexBOSS21
  • Maximum Grid Bypass Current: 200A
  • Weather Rating: NEMA 3R
  • Max Altitude of Operation: <6561ft (2000m)

Relevant Videos

Top 3 Scenarios You Would Need a EG4 GridBOSS
Ray breaks down the top three real-world scenarios where installing the EG4 GridBOSS makes sense — simplifying complex layouts, enabling flexible equipment placement, and reducing wiring costs, plus how it unlocks smart load control and AC coupling.

EG4 FlexBOSS 18 – Is This Their Best Product Yet?
A hands-on first look at the EG4 FlexBOSS 18, the smaller sibling of the FlexBOSS 21. Better suited for residential installs, more affordable for off-grid setups, and when paired with the GridBOSS, makes hybrid installs significantly more cost-effective.

Additional information

Weight165 lbs
Dimensions48 × 48 × 36 in
Product ImageProduct Information
Front view of EG4 FlexBOSS18 13kW AC Hybrid Inverter

1x EG4 FlexBOSS18 13kW Hybrid Inverter

EG4 GridBOSS MID V2.1 | 200A front view

1x EG4 GridBOSS MID V3.1 | 200A Service Entrance

EG4 70A AC Circuit Breaker side view

1x BSB 70A AC Circuit Breaker