EG4 FlexBOSS21 12K Hybrid Inverter

EG4 FlexBOSS21 12K Hybrid Inverter

$3,787.00
Sale price  $3,787.00 Regular price 
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EG4 FlexBOSS21 12K Hybrid Inverter

EG4 FlexBOSS21 12K Hybrid Inverter

$3,787.00
Sale price  $3,787.00 Regular price 

The EG4 FlexBOSS21 is EG4's flagship all-in-one hybrid inverter, delivering 12kW of continuous output (16kW at 240V with PV and battery combined) with full off-grid capability. Built for whole-home backup and battery-based systems, it pairs natively with EG4's LFP battery line and supports up to 24kW of PV input across three MPPT channels.

Model IV-16000-HYB-AW
Continuous Output 12 kW (16 kW at 240V with PV + battery)
Max PV Input 24 kW (21 kW usable)
MPPT Channels 3 (26A / 26A / 15A)
Nominal Output Current 50A
Phase Split-phase 120/240V
Certifications UL 1741, UL 3141
Operating Modes Grid-tie, off-grid, backup
Warranty 10 years

Key Features

  • Whole-home backup with seamless off-grid transfer
  • Three independent MPPT channels for complex roof layouts
  • Native pairing with EG4 280Ah LFP battery line
  • Split-phase 120/240V output — no autotransformer needed
  • UL 1741 and UL 3141 listed for grid-tie and energy storage

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