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EG4 FlexBOSS21 & EG4-PowerPro WallMount Battery Bundle

EG4 FlexBOSS21 & EG4 PowerPro WallMount Battery Bundle

$8,438.90 - $34,477.20
$8,438.90
$8,438.90 - $34,477.20
$8,438.90
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Battery Options: 1 EG4 FlexBOSS21 + 1 x EG4 PowerPro | 14.3kWh Capacity
EG4 FlexBoss21 Manual & Spec Sheet

View Manual HERE
View Spec Sheet HERE

EG4 WallMount All Weather Battery Guides

View Quick Start Guide HERE
View Spec Sheet HERE
View Manual HERE

EG4 FlexBOSS21 14.3-28.6kWh Capacity & EG4-PowerPro WallMount Battery Bundle

This robust bundle pairs the EG4 FlexBOSS21 Hybrid Inverter with the EG4 PowerPro WallMount All-Weather Battery, delivering a reliable and complete energy solution. With 21kW PV input, flexible off-grid and grid support, and exceptional energy storage, it ensures uninterrupted power. The FlexBOSS21’s advanced MPPT control optimizes efficiency, while the PowerPro’s durable LiFePO4 battery and weatherproof design provide long-lasting performance. Perfect for residential and commercial solar applications, this high-performance combination enhances energy independence and security.

Includes: (1 or 2) EG4 FlexBOSS21Hybrid Inverter, (2-6) EG4 PowerPro WallMount Lithium Battery, 1 X EG4 PowerPro Conduit Box for each EG4 PowerPro Battery, (2-4) EG4 PowerPro Battery Paralleling Cables on select options


EG4 FlexBOSS21 + PowerPro Features

EG4 FlexBOSS21 Features

  • 21kW PV input, powers heavy loads like a 5-ton AC
  • Expandable: Parallel up to 10 units for 160kW output
  • Off-grid, grid support, or grid power export
  • Three MPPTs for optimized solar efficiency
  • Remote monitoring with EG4 software and mobile alerts
  • Seamless integration with GridBOSS ESS
  • Rapid shutdown, ground fault, arc-fault protection
  • Compact and durable design for long-term use

EG4 PowerPro Wallmount Lithium Battery Features

  • 10kW continuous power, peak of 15.4kW
  • Over 8,000 cycles at 80% DOD
  • All-weather design (IP65 rated)
  • Self-heating for low-temperature operation
  • Dual fire arrestors for added safety
  • Compatible with multiple inverter brands
  • Smart BMS with LCD touchscreen
  • Quick-connect installation

Your Satisfaction with EG4 is Guaranteed:

  • 10-Year Limited Warranty
  • Lowest Price Guarantee