1-877-873-5206
Product Description:
Big power, full flexibility—without the price tag.
The EG4 FlexBOSS18 is a serious hybrid inverter built for off-gridders, homeowners, and DIY installers who want pro-grade performance without spending a fortune. Whether you're going fully off-grid or just want to slash your utility bill, this all-in-one unit delivers rock-solid, scalable energy control.
Why It Matters:
-
13kW Continuous Power + 18kW PV Input – Run heavy loads and harvest serious solar. Perfect for large cabins, homesteads, or homes looking for energy independence.
-
Hybrid-Ready Flexibility – Works in off-grid, grid-tied, or blended setups. Ideal for folks who want backup today and full autonomy tomorrow.
-
UL Certified with Built-in Safety – Includes Rapid Shutdown (NEC 690.12), surge protection, and all the bells to keep your system safe and code-compliant.
-
Efficient as Hell – Dual MPPTs, up to 600VDC PV input, and up to 97.5% solar-to-grid efficiency. No combiner box needed.
-
DIY-Friendly Monitoring – Wall-mount design, plug-and-play Wi-Fi, and full control through the EG4 app. Easy to install, easy to manage.
Pair it with EG4 batteries and the GridBOSS MID for even smarter energy use—think load shifting, time-of-use savings, and automatic backup priorities.
Tech Specs at a Glance:
-
AC Output: 13kW continuous (120/240V split phase)
-
Battery-Only Output: 10kW
-
Solar Input: 18kW (600VDC across 2 MPPTs)
-
Surge Capacity: 156A peak
-
Efficiencies: 94% battery-to-grid, 97.5% PV-to-grid, 99% MPPT
-
Certifications: UL1741, NEC-compliant RSD
-
Size & Weight: 29.5" x 20.5" x 10.4", 115 lbs
-
Mounting: Wall-mounted
Live Smarter. Power Harder.
The FlexBOSS18 isn’t just an inverter—it’s your foundation for energy freedom. Built to handle high loads, push serious solar, and keep you powered no matter what the grid’s doing.
| Shipping | This item ships to |
| Delivery | Estimated between and . Will usually ship within 1 business day. |
Description
Product Description:
Big power, full flexibility—without the price tag.
The EG4 FlexBOSS18 is a serious hybrid inverter built for off-gridders, homeowners, and DIY installers who want pro-grade performance without spending a fortune. Whether you're going fully off-grid or just want to slash your utility bill, this all-in-one unit delivers rock-solid, scalable energy control.
Why It Matters:
-
13kW Continuous Power + 18kW PV Input – Run heavy loads and harvest serious solar. Perfect for large cabins, homesteads, or homes looking for energy independence.
-
Hybrid-Ready Flexibility – Works in off-grid, grid-tied, or blended setups. Ideal for folks who want backup today and full autonomy tomorrow.
-
UL Certified with Built-in Safety – Includes Rapid Shutdown (NEC 690.12), surge protection, and all the bells to keep your system safe and code-compliant.
-
Efficient as Hell – Dual MPPTs, up to 600VDC PV input, and up to 97.5% solar-to-grid efficiency. No combiner box needed.
-
DIY-Friendly Monitoring – Wall-mount design, plug-and-play Wi-Fi, and full control through the EG4 app. Easy to install, easy to manage.
Pair it with EG4 batteries and the GridBOSS MID for even smarter energy use—think load shifting, time-of-use savings, and automatic backup priorities.
Tech Specs at a Glance:
-
AC Output: 13kW continuous (120/240V split phase)
-
Battery-Only Output: 10kW
-
Solar Input: 18kW (600VDC across 2 MPPTs)
-
Surge Capacity: 156A peak
-
Efficiencies: 94% battery-to-grid, 97.5% PV-to-grid, 99% MPPT
-
Certifications: UL1741, NEC-compliant RSD
-
Size & Weight: 29.5" x 20.5" x 10.4", 115 lbs
-
Mounting: Wall-mounted
Live Smarter. Power Harder.
The FlexBOSS18 isn’t just an inverter—it’s your foundation for energy freedom. Built to handle high loads, push serious solar, and keep you powered no matter what the grid’s doing.
Shipping
| Shipping | This item ships to |
| Delivery | Estimated between and . Will usually ship within 1 business day. |
Reviews
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