SKU: 12801477231

EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input

Sale price$1444.05 Regular price$1604.50
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Description

EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV InputEG4 FlexBOSS18 Hybrid Inverter 48V Split Phase 18kW PV Input The EG4 FlexBOSS18 Hybrid Inverter is a powerful, all in one solution designed for homeowners, DIYers, and installers looking for a cost effective way to maximize energy efficiency. Whether youre building a fully off grid system or optimizing grid tied energy use, this inverter delivers professional grade performance at an accessible price. Key Features High Power Output 13kW continuous

EG4 FlexBOSS18 Hybrid Inverter | 48V Split Phase | 18kW PV Input

The EG4 FlexBOSS18 Hybrid Inverter is a powerful, all-in-one solution designed for homeowners, DIYers, and installers looking for a cost-effective way to maximize energy efficiency. Whether you’re building a fully off-grid system or optimizing grid-tied energy use, this inverter delivers professional-grade performance at an accessible price.


Key Features

High Power Output

  • 13kW continuous power with PV input
  • 18kW max solar input
  • 10kW continuous battery-only output

Seamless Grid & Battery Integration

  • Works in grid-tied, off-grid, and hybrid setups
  • Supports closed-loop communication with EG4 batteries
  • Compatible with the EG4 GridBOSS MID for advanced energy management

Industry-Leading Compliance & Safety

  • UL1741-certified for safety and reliability
  • Built-in Rapid Shutdown (RSD) for NEC 690.12 compliance
  • Multiple protection features, including PV reverse polarity, surge, and short-circuit protection

Efficient & Cost-Effective Solar

  • Up to 600VDC PV Input, eliminating the need for a combiner box
  • Dual MPPT technology for optimized solar harvesting
  • 94% battery-to-grid efficiency and 97.5% PV-to-grid efficiency

Easy Installation & Monitoring

  • Wall-mountable design with a compact footprint
  • Plug-in Wi-Fi module for remote system monitoring via the EG4 app
  • 90A grid bypass for seamless power flow

Why Choose the EG4 FlexBOSS18?

The FlexBOSS18 is engineered for those who want high performance without the high price. With increased PV capacity, hybrid capabilities, and certifications for grid compliance, it’s a future-proof investment for energy independence.

Pairing this inverter with the EG4 GridBOSS MID unlocks additional features like time-of-use optimization, load shifting, and backup prioritization—giving you full control over your energy system.


Specifications

🔋 Power & Output

  • AC Output: 120/240V split-phase | 13kW max | 10kW battery-only
  • Max PV Input: 18kW (600VDC) across two MPPTs
  • Surge Capacity: 156A peak

Efficiency & Protection

  • MPPT Efficiency: 99%
  • Battery-to-Grid Efficiency: 94%
  • Protection: PV reverse polarity, over-voltage, short circuit, AFCI, GFCI

📡 Connectivity & Control

  • Wi-Fi App Monitoring for remote access
  • Closed-loop communication with EG4 48V batteries
  • Rapid Shutdown (RSD) & NEC Compliance

📏 Size & Installation

  • Dimensions: 29.5" x 20.5" x 10.4"
  • Weight: 115 lbs
  • Mounting: Wall-mountable

Take Control of Your Energy Future

Whether you’re upgrading an existing system or building from scratch, the EG4 FlexBOSS18 delivers unbeatable performance and affordability. Shop now and make the switch to reliable, high-efficiency solar power!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 12801477231

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Jami
Battle Creek, US
★★★★★ 2
Not the best
Size: 7, Color: Black, Size: 7, Color: Black
They are cute but they have a bit of an odd fit that isn’t great for people with narrow feet. They look too dressy to wear with super casual outfits in my opinion. I think the Ugg golden star sandals are much comfier. If you’re wearing these sandals for a really short time they’d be okay. After wearing them around my house for a little while I decided to return them since they started to hurt my feet.
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Reviewed in the United States on June 7, 2026
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Ms. Moon
West Palm Beach, US
★★★★★ 3
Not for narrow feet, very lightweight.
Size: 7.5, Color: Black
My feet are slightly narrow; these were not adjustable enough to make secure. Otherwise they are cute. The material feels kind of light, these were my first attempt at UGGs so I'm not sure if that's typical or an actual quality issue. Either way, they don't seem very durable but I can't imagine these are meant for roughing it.
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Reviewed in the United States on May 8, 2026
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sandra
Draper, US
★★★★★ 5
Decepcion
Size: 9.5, Color: Molasses
Excelentes sandalias supercomodas y ligeras quedan muy bien al pie, soy 9 y pedí 9.5 excelente
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Reviewed in the United States on May 28, 2026
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Pamela S. Brown
Alexandria, US
★★★★★ 5
Great value
Size: 9.5, Color: Black
I absolutely adore these sandals. They are comfortable and super urban. Worth there value all the way around!
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Reviewed in the United States on March 24, 2026
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Lena Y.
Battle Creek, US
★★★★★ 5
Nice so far.
Size: 6.5, Color: Molasses
Comfy. They were tight the first day across the toes but as I've worn them a couple times they are loosening up. The sole is forming to my foot. These are very much like Doc Martin's from the early 2000s. Not sure about quality since I haven't had them for very long.
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Reviewed in the United States on March 27, 2026

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