Guardian E2™ 42kWh Energy Storage System

Technical Specifications:

• Total Capacity: 48kWh (expandable to 576kWh)

• Inverter Rating: Sol-Ark 15kW Hybrid Inverter

• Peak Power: 30kW

• System Efficiency: 99.1%

• Battery Chemistry: Hithium USA LiFePO4 Cells

• Configuration: 3x ECHO 2.0 14kWh or Modules 3x ECHO 3.0 16kWh Modules

• Grid Connection: Grid-tied with seamless backup

• Solar Input: Up to 19.5kW DC

Physical Specifications:

• Dimensions: Custom-engineered cabinet

• Installation Type: Floor-mounted

• Enclosure Rating: NEMA 3R

• Operating Temperature: -4°F to 131°F

• Cooling System: Active thermal management

• Installation Location: Indoor/Outdoor rated

Smart Features:

• Advanced Battery Management System

• Real-time power monitoring

• Remote system diagnostics

• Mobile app integration

• Time-of-use optimization

• NEM 2.0/3.0 compatible

Electrical Specifications:

• Voltage: 120/240V Split Phase

• Maximum Continuous Power: 15kW

• Surge Capacity: 30kW

• Grid Frequency: 60Hz

• Transfer Time: <16ms

• Power Factor: >0.99

Safety & Certifications:

• UL 9540 certified

• UL 1741 SA listed

• IEEE 2030.5 compliant

• NFPA 855 compliant

• California Title 24 ready

• SGIP eligible

Key Benefits:

• Complete home backup capability

• Scalable design (up to 96kWh)

• NEM preservation capability

• Advanced power control features

• Time-of-use bill optimization

• Full solar integration

• 25-year warranty

• Made in California

Applications:

• Whole-home backup power

• Peak load shifting

• Solar self-consumption

• Time-of-use management

• Demand charge reduction

• Grid services ready

Installation & Support:

• Professional installation required

• Factory-certified technicians

• 24/7 monitoring available

• Local San Diego support team

• Remote troubleshooting capable

Warranty & Protection:

• 25-year battery warranty

• 10-year inverter warranty

• Performance guarantee

• Professional maintenance plans

• Extended warranty options