EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living

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

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EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living

EG4

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

$4,499.00 $3,499.99
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living
EG4 FlexBOSS18 13kW AC Hybrid Inverter | 48V Split Phase | 18kW PV Input - Green Vista Living

EG4

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

$4,499.00 $3,499.99
  • Description
  • Why Buy From Us

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

The EG4 FlexBOSS18 is a powerful hybrid inverter designed to optimize solar energy conversion for both off-grid and grid-tied applications. With an impressive 13kW AC output and 18kW PV input, this inverter can handle high-demand loads with ease. Its 120V/240V split-phase capability makes it ideal for residential and commercial use, providing uninterrupted power with seamless battery integration.


Revolutionary Power Performance

  • 16kW continuous output with solar input - 23% more power than previous models
  • 22kW maximum PV input across enhanced triple MPPTs for maximum solar harvest
  • 14kW battery-only power output providing robust backup for essential loads

Intelligent Energy Ecosystem

  • Dynamic operating modes: grid-tied, off-grid, and smart hybrid configurations
  • Advanced AI-powered load management with predictive efficiency algorithms
  • Seamless integration with the new EG4 GridBOSS PRO for complete energy ecosystem control

Industry-Leading Safety & Compliance

  • UL1741 SB certified for grid operation including advanced grid support functions
  • Integrated Smart RSD+ exceeds NEC 690.12 requirements with module-level monitoring
  • Comprehensive protection suite with self-diagnostic capabilities and remote troubleshooting
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Superior Efficiency & Economics

  • 800VDC PV input capacity reduces balance of system costs and line losses
  • Triple MPPT technology with shade mitigation maximizes production in all conditions
  • Battery-to-grid efficiency of 96.5 percent and solar-to-grid efficiency of 98.2 percent

Simplified Installation & Enhanced Monitoring

  • Toolless mounting system with quick-connect terminals reduces installation time by 40%
  • Integrated 5G/Wi-Fi/Ethernet connectivity with local backup of monitoring data
  • 120A grid bypass with zero-transfer time for critical loads
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What's Included

Everything you need is included with your product.

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

EG4 FlexBOSS18 13kW AC Hybrid Inverter Specifications

AC OUTPUT/INPUT

Specification Details
NOMINAL GRID VOLTAGE (INPUT & OUTPUT) 240 VAC | 208 VAC
FREQUENCY 60Hz Default (50Hz Capable)
MAX. CONTINUOUS DISCHARGE RATE 10kW
MAX. APPARENT POWER 13kW (54A @240V) | 11.2kW (54A @208V
MAX. CONTINUOUS CURRENT @ 45°C 54A
MAX. CONTINUOUS DISCHARGE W/ PV & GRID ONLY @ 45°C 10kW | 13kW
POWER FACTOR (OUTPUT) 0.6 – 1.0
MAX. OUTPUT FAULT CURRENT 156A peak @ 100us
MAX. PASSTHROUGH FROM GRID 90A
THD V (VOLTAGE) <3% @ full load
THD I (CURRENT) <5% @ full load
BACKUP SWITCHING TIME (TRANSFER TIME) 20ms (Default), 10ms (Configurable), 20ms (Parallel)
OPEN LOOP RESPONSE TIME (OLRT) Pending
TIME TO STEADY STATE Pending
MAX. CONTINUOUS PER-LINE WATTAGE 6.5kW

EFFICIENCY

Specification Details
BATTERY TO GRID/LOAD 94%
PV TO GRID/LOAD 97.5%
PV TO BATTERY 94.5%
CEC EFFICIENCY (CALIFORNIA ENERGY COMMISSION) Pending

SOLAR TECHNICAL SPECS

Specification Details
MAX. SOLAR STC INPUT POWER 18kW
MAX. PV INPUT VOLTAGE 600 VDC
MPPT VOLTAGE RANGE 120V – 440 VDC
MPPT FULL POWER VOLTAGE RANGE 250V – 440 VDC
# OF MPPTS | # OF STRINGS PER MPPT 2/2
MAX. CURRENT PER MPPT 26A/26A
MAX. SHORT-CIRCUIT CURRENT RATING PER MPPT 31A/31A
NOMINAL MPPT VOLTAGE 360 VDC
UNIT STARTUP VOLTAGE 200 VDC

BATTERY TECHNICAL SPECS

Specification Details
COMPATIBLE BATTERY TECHNOLOGIES Lithium/Lead-acid
OPERATING VOLTAGE 40 – 60 VDC
NOMINAL VOLTAGE 48 VDC
MAX. CHARGE/DISCHARGE CURRENT 208A (10kW)
BATTERY COMMUNICATION PROTOCOL CAN/RS485

ENVIRONMENTAL

Specification Details
OPERATING TEMPERATURE RANGE -13°F – 140°F (-25°C – 60°C); > 45°C Derating
OPERATING HUMIDITY 0 – 100%
MAX. ALTITUDE OF OPERATION <2000m (<6561ft)
ENCLOSURE RATING NEMA 4X
STORAGE TEMPERATURE RATING -13°F – 140°F (-25°C – 60°C)
COOLING (OR COOLING CONCEPT) Fans

GENERAL SPECIFICATIONS

Specification Details
DIMENSIONS 29.52 x 20.47 x 10.43 in. (750 x 520 x 265 mm)
TOTAL WEIGHT 115 lbs. (52 kg)
MOUNTING OPTION(S) Wall
USER INTERFACE APP/WEB/LCD (optional)
SCALABILITY 10
INVERTER IDLE CONSUMPTION @ NO LOAD @ (*TEMP) <60W (Standby)
NOISE <50dB @ 3 ft
LOCKED ROTOR AMPS (LRA) 195A

Frequently-Asked Questions

Can the EG4 FlexBOSS18 be used for both off-grid and grid-tied applications?

Yes! This hybrid inverter can operate as a standalone off-grid system or integrate with the grid for enhanced energy efficiency.

What battery types are compatible with the EG4 FlexBOSS18?

It is designed to work with 48V LiFePO4 batteries, ensuring optimal performance and longevity.

How many inverters can I connect in parallel?

You can parallel multiple units to increase power output for larger energy demands.

Does it support remote monitoring?

Yes, the Wi-Fi and RS485 connectivity allow real-time monitoring and control via the EG4 app.

Manual

  • EG4 FlexBOSS18 Manual

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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