Delivering reliable, scalable, and intelligent power storage, the Sol-Ark L3-HV-40-KWH Indoor Battery Bank is the ideal solution for commercial and industrial energy applications. This high-voltage, modular lithium battery system offers 40.96 kWh of scalable storage in a compact form—engineered for efficiency, performance, and long-term reliability.

Scalable, Reliable Energy Storage

• 40.96 kWh Total / 36.86 kWh Usable Capacity
  Expandable up to 9.6 MWh to support growing energy demands.

• Indoor-Ready Enclosure (IP20)
  Designed for clean, controlled environments like electrical or mechanical rooms.

• Modular LiFePO₄ Design
  Safe, efficient prismatic cells allow parallel or series expansion for voltage and capacity increases.

Optimized for Solar + Storage Integration

• Seamless Sol-Ark Compatibility
  Plug-and-play with Sol-Ark 30K-3P-208V and 30K-3P-480V inverters.

• All-in-One System
  Includes integrated air cooling and aerosol-based fire suppression for enhanced safety and performance.

• Fast Deployment
  Pre-assembled for quick installation and minimal downtime.

Flexible Power Management for Commercial & Industrial Use

• Peak Shaving – Lower utility demand charges with intelligent discharge scheduling.

• Time-of-Use Optimization – Shift energy use to off-peak hours for major cost savings.

• Backup Power – Ensure uninterrupted operations during grid failures.

• EV Charging Support – Improve load management for high-demand electric vehicle charging sites.

• Smart Grid Capable – Support grid resilience and monetize surplus energy via grid feedback.

Built to Last

• Robust Operating Range: -20°C to 55°C (-4°F to 131°F)

• 10-Year Warranty / 130 MWh Throughput

• Certified Safe: UL1973, UL9540, UL9540A, UN38.3, CE, IEC62619, VDE2510-50

• US-Based Support: Engineering and testing conducted in the USA with 24/7 expert technical assistance.

Technical Specifications

• Chemistry: Lithium Iron Phosphate (LiFePO₄)

• Nominal Voltage: 409.6V

• Voltage Range: 332.8V – 467.2V

• Current Rating: 50A (recommended), 100A (nominal), 125A (peak)

• Ingress Rating: IP20 (Indoor Use)

• Communication Protocols: CAN2.0, RS485

Specifications & Manuals

Specification Sheets

• Link to Spec Sheet

Manuals

• Link to Manual

Certificates

• L3 HV Series – FCC Part 47 Compliance Certificate
• L3 HV Series – Material Safety Data Sheet (MSDS)
• L3 HV Series – Toxic Substances Control Act (TSCA) Report
• L3 HV Series – UL1973 Certificate of Compliance
• L3 HV Series – UL9540 Certificate of Compliance

What's Included

• (1) Battery Rack and Components (unassembled)
• (1) L3 HV BMS 750V Battery Management System (BMS) Unit
• (8) L3 HV 5.1kWh Battery Modules
• (90) Module Rack Mount Screws (M4x20)
• (1) 4AWG PushLok – Module to BMS Negative Cable
• (8) 4AWG PushLok – Module Series Jumpers
• (8) Battery Module Communication Cables
• (1) Inverter Communication Cable
• (1) 120Ω RJ45 Terminating Resistor
• (1) External 12V Power Supply Cord
• (1) Battery Rack Grounding Wire
• (1) Battery Rack Screws Hex Key (4mm)
• (2) 4AWG PushLok – BMS to Inverter Cable (positive/negative)
• (1) Printed Documentation (some models)

FAQ's

1. How many battery modules are included in the Sol-Ark L3-HV-40-KWH system?
The system includes (8) L3 HV 5.1kWh battery modules, which combine to provide a total capacity of 40.96kWh.

2. Can the Sol-Ark L3-HV-40-KWH battery be expanded?
Yes, the system is modular and scalable, allowing additional battery cabinets to be added to expand capacity as energy needs grow.

3. Is the Sol-Ark L3-HV-40-KWH compatible with all Sol-Ark inverters?
No, it is specifically designed to work with Sol-Ark 30K-3P-208V and other high-voltage Sol-Ark inverters.

4. What kind of safety features does this battery system include?
The L3-HV-40-KWH includes aerosol-based fire suppression, robust Battery Management System (BMS) protections, and built-in surge protection to ensure system safety.

5. Can this battery system be used for backup power in case of grid failure?
Yes, the system is designed for backup power, peak shaving, and energy storage, ensuring seamless operation during outages.