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EG4 Boss Box Overview at Solar North America

Mar 26, 2025

Lecture Notes: EG4 Boss Box Presentation at Solar North America

Introduction

  • Presenter: Joe Oria from Solar Surge
  • Guest: James Showalter, CEO and Founder of EG4
  • Event: Solar North America conference in San Diego
  • Product Discussed: EG4 Boss Box

Overview of the EG4 Boss Box

  • Purpose: Designed to offset a 2500 kWh/month power bill through self-consumption, peak shaving, or VPP programs.
  • Design:
    • Mounting flexibility and palletized for easy transportation and delivery.
    • Pre-commissioned options with live inverters ready to go.
    • Smart solution for solar energy needs.

Features and Specifications

  • Core Components:
    • Utilizes the Power Pro battery, heated and outdoor rated.
    • Quick Connect bus bars.
    • Inverter mounted externally.
    • Metal skid base that can bolt to concrete pads.
  • Cost: Less than $2,000 for a pre-commissioned, UL-certified solution.
  • Capacity: Up to 48 kWh in a single box, suitable for 90-95% of homes.

Advantages and Applications

  • Off-grid Deployments: Ready-to-go solutions for off-grid living with minimal installation effort.
  • Compact Design: Solves space and aesthetic issues for homes lacking room for large equipment.
  • Encouraging Traditional Electricians: Familiar design facilitates integration by traditional electricians, aiding in reducing soft costs.
  • DIY and Contractor Friendly: Simplifies installations for do-it-yourselfers and contractors.

Technical Details

  • Weatherproof Enclosure:
    • Rated Neema 4X for outdoor use.
    • Each battery stores 14.3 kWh.
    • IP65 rating with heating capabilities.
  • Operating Temperature:
    • Operates down to -20°C, advisable to place in moderate climates for consistent sub-zero temperatures.
  • Voltage and Connection:
    • Nominal 48-volt bus.
    • Quick connect parallel cables for ease of setup.

Configurations

  • Purchase Options:
    • Empty Cabinet or Fully Loaded Cabinet with Commissioning Service.
    • Two to three battery configurations, expandable to four.
    • 30 to 60 kWh capacity.
  • Inverter Options:
    • Flex Boss 18 and Flex Boss 21 inverters.
    • Focus on Flex Boss 21 for energy independence needs.

Use Cases

  • Off-grid and Energy Independence:
    • For users seeking non-compromised off-grid lifestyle solutions.
  • Development and Construction:
    • Suitable for new home developments and existing homes lacking suitable installation space.

Conclusion

  • Versatility:
    • Designed for a variety of mounting options and ease of transport.
    • Equipped with sturdy bolt brackets for secure installation.
  • Energy Independence in a Box: Simplifies the path to becoming power-independent.

Closing Remarks

  • Encouragement to subscribe to Solar Surge for more updates on EG4 and solar solutions.
  • Thank you from Joe Oria for watching and encouraging preparation and empowerment in the realm of solar energy.