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EG4 FlexBOSS21 AC Hybrid Inverter | 16,000W Output | 21,000W PV Input | 48V Split Phase Inverter
by EG4

EG4 FlexBOSS21 AC Hybrid Inverter | 16,000W Output | 21,000W PV Input | 48V Split Phase Inverter

SKU: EG4FLEXBOSS21
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$5,038.99
$5,038.99 - $5,038.99
$5,038.99
$4,199.00
$4,199.00 - $4,199.00
$4,199.00
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EG4 FlexBOSS21 AC Hybrid Inverter | 16,000W Output | 21,000W PV Input | 48V Split Phase Inverter

EG4 FlexBOSS21 AC Hybrid Inverter | 16,000W Output | 21,000W PV Input | 48V Split Phase Inverter

EG4 FlexBOSS21 (V1.1) Hybrid Inverter | 48V Split Phase | 21kW PV Input

Versatile and Powerful Hybrid Inverter

The EG4 FlexBOSS21 (V1.1) 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 16 units together, the FlexBOSS21 has an impressive total output of 256kW continuous when using PV input. 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).

EG4 FlexBOSS21 LCD Screen Kit sold separately 

Key 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.
  • UL 1741 Certificate of Compliance
  • CEC Solar Equipment Listing

Why Choose EG4 FlexBOSS21? The FlexBOSS21 combines efficiency, durability, and innovation, making it a top choice for those seeking robust energy solutions. Its advanced monitoring and safety features provide reliable power and peace of mind for residential or commercial installations.

Elevate Your Energy Solutions Today: Explore the potential of the EG4 FlexBOSS21 Hybrid Inverter and enhance your energy management system.

Important EG4 GridBoss Breaker Information

Each EG4 GridBoss (V2.1) unit includes:

  • 90A Breaker: Compatible only with the EG4 FlexBOSS21
  • Smart Port Breakers: Rated at 30A, 40A, 60A, and 80A.

Specifications:

EG4 FlexBOSS21 16kw 48V Split Phase AC Hybrid Inverter
INVERTER TYPE & MODEL #
Type Hybrid
Model IV-16000-HYB-AW-FX-XX
(XX is a number between 0-99)
AC INPUT/OUTPUT
Nominal Grid Voltage (Input & Output) 120/240 VAC; 120/208 VAC (1L/2L+N required)
Frequency 60 Hz (Default) | 50 Hz
Max. Continuous Output Power 12kW
Max. Apparent Power 16kVA
Max. Continuous Current @ 25°C 66A
Max. Continuous Discharge
w/ PV & Grid Only @ 25°C		 w/ PV: 16000W @240V | 13800W @208V;
w/o PV: 12000W @240V | 9900W @208V
Power Factor (Output) 0.99 @ Full Load
Peak Power 24000W (.5 sec) | 18000W (1 sec) |
15000W (6 min) | 13200W (12 min)
Max. Output Fault Current 156A
Max. Passthrough from Grid 90A
THD V (Voltage) <3% at full load
THD I (Current) <5% at full load
Backup Switching Time (Transfer Time) 20ms (Default), 10ms (Configurable)
Open Loop Response Time (OLRT) <2 sec
Time to Steady State 10 sec
Max Continuous Line Wattage 6000W
Max. AC Current 50A @ 240V | 57.7A @ 208V
Max. AC Input Power 12kW
Max. Continuous Per-Line Wattage 6000W
EFFICIENCY
Battery to Grid/Load 94%
PV to Grid/Load 97.5%
PV to Battery 94.7%
CEC Efficiency (California Energy Commission) 96.9%
SOLAR TECHNICAL SPECS
Max. Solar STC Input Power 21kW
Max. PV Input Voltage 600 VDC
MPPT Voltage Range (*) 120 – 440 VDC
MPPT Full Power Voltage Range 250 – 440 VDC
# of MPPTs | # of Strings per MPPT 3 | 2 (MPPT 1) | 2 (MPPT 2) | 1 (MPPT 3)
Max. Current per MPPT 26A (MPPT 1) | 26A (MPPT 2) | 13A (MPPT 3)
Max. Short Circuit Current Rating per MPPT 31A (MPPT 1) | 31A (MPPT 2) | 19A (MPPT 3)
Nominal MPPT Voltage 360 VDC
Load Output Minimum Voltage >140 VDC
Unit Startup Voltage 100 VDC
BATTERY TECHNICAL SPECS
Compatible Battery Technologies Lead-acid/Lithium
Operating Voltage 40 – 60 VDC
Nominal Voltage 48V
Max. Charge/Discharge Current 250ADC
Battery Communication Protocol CAN/RS485

Product Documents:

EG4 FlexBOSS21 16kw 48V Split Phase AC Hybrid Inverter User Manual

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EG4 FlexBOSS21 16kw 48V Split Phase AC Hybrid Inverter Specification Sheet

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EG4 FlexBOSS21 16kw 48V Split Phase AC Hybrid Inverter Certification Of Compliance

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