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Sol-Ark | L3-HV-40-KWH Indoor Battery Bank | 10 Year Warranty

by Sol-Ark
SKU L3-HV-40-KWH
Original price $21,095.00 - Original price $21,095.00
Original price
$21,095.00
$21,095.00 - $21,095.00
Current price $21,095.00

Overview

Scalable, Reliable Energy Storage

The Sol-Ark L3-HV-40-KWH is a high-voltage modular battery system designed for commercial and industrial energy storage. It efficiently stores energy from solar panels and provides seamless power distribution to connected loads.

  • 40.96kWh scalable energy storage – Expand capacity by adding additional battery modules.
  • Modular lithium battery design – Configurable in parallel or series for increased capacity or voltage.
  • Optimized for solar + storage systems – Works with Sol-Ark inverters for integrated power management.
  • Rugged and efficient – Operates in a wide temperature range (-20°C to 55°C) with superior cycle life.
  • Safe and environmentally friendly – Non-toxic, non-polluting LiFePO4 chemistry with built-in safety features.

Flexible Power – Designed for Commercial & Industrial Applications

The Sol-Ark L3-HV-40-KWH is engineered for businesses seeking energy independence, cost savings, and resilience:

  • Peak Shaving – Reduce demand charges and optimize energy usage.
  • Time-of-Use Optimization – Store energy during low-rate periods and use it when rates are highest.
  • Backup Power – Seamless power supply during outages to maintain operations.
  • EV Charging Support – Helps manage fast-charging site constraints and enhances demand response programs.
  • Scalable Design – Expandable from 40kWh up to 9.6MWh to match growing energy needs.

All-In-One – Simplify Your Installation

  • Pre-assembled system for quick and easy deployment.
  • Compatible with Sol-Ark 30K inverters for an integrated energy solution.
  • Built-in safety features, including aerosol-based fire suppression in both the module and cabinet.

Universal Compatibility with High-Voltage Systems

  • Uses LiFePO4 prismatic cells for maximum reliability, efficiency, and longevity.
  • Compatible with Sol-Ark 30K-3P-208V and 30K-3P-480V inverters.
  • Modular batteries easily connect in parallel or series to increase capacity or voltage.

Life Testing – Proven to Last

  • 10-year performance warranty or 130MWh throughput per battery cabinet.
  • Engineered for long-term reliability, exceeding industry standards.

Engineered, Serviced & Tested in the USA

  • US-based engineers available 7 days a week for expert technical support.

Built for Any Application

Perfect for commercial, industrial, and large-scale solar storage, with multiple operating advantages:

  • Peak Shaving – Reduce utility demand charges by managing stored energy usage.
  • Time-of-Use Optimization – Lower electricity costs by charging when rates are low.
  • Backup Power – Keep operations running during grid outages.
  • EV Charging Support – Manage fast-charging demands efficiently.
  • Smart Grid Integration – Sell excess energy back to the grid.
  • Scalability – Expand capacity as energy needs grow.

Operate Your System from Anywhere

  • Remote monitoring & mobile app allow for real-time adjustments and troubleshooting.

Technical Features

  • Cell Chemistry: Lithium Iron Phosphate (LiFePO4)
  • Battery Capacity: 40.96kWh (usable: 36.86kWh)
  • Nominal System Voltage: 409.6V
  • Operating Voltage Range: 332.8V – 467.2V
  • Charge/Discharge Current: 50A (recommended) / 100A (nominal) / 125A (peak)
  • Ingress Protection Rating: IP20 (Indoor-rated)
  • Communication Protocols: CAN2.0 / RS485
  • Temperature Range: -20°C to 55°C (-4°F to 131°F)
  • Certifications: UL1973, UL9540, UL9540A, UN38.3, CE, IEC62619, VDE2510-50

Reliable Support, Anytime

  • 24/7 US-based technical support for Sol-Ark customers.

Specifications & Manuals

Specification Sheets

Manuals

Certificates

 

Specification Details
Compatible Inverter Sol-Ark 30K-3P-208V-N (sold separately)
Environmental Rating Indoor
Cell Chemistry Lithium Iron Phosphate (LiFePO4)
Battery Cabinet Capacity 40.96kWh
System Usable Energy* 36.86kWh
Inverter Grid/Gen/Load OCPD Rating 200A
Internal Fuse Rating 160A
Backup Capability Per Inverter 30 kWac
Max DC-Coupled Solar Per Inverter 39 kWac
Max AC-Coupled Solar Per Inverter 54 kWac
Max Battery Cabinets Per Inverter 16
Inverter Stacks in Parallel 10
Recommended Depth of Discharge 90%
System Nominal Voltage 410V
System Operating Voltage 392V – 448V
Charge/Discharge Current Recommended: 50A
Nominal/Continuous: 100A
Peak Discharge (2 mins, 25ºC): 125A
Combined Battery + Inverter Efficiency 90% (25°C, 0.5C)
Dimensions (W x D x H) 23 x 23 x 64 in
Weight 1384 lbs
Operating Temperature -10°C – 50°C (14°F – 122°F)
Humidity 5% – 85% RH
Ingress Rating IP20 (NEMA 1)
Operating Altitude 3000m (9,843 ft)
Storage Temperature -4°F to 95°F
Seismic Zone 4
Communication Port CAN2.0 / RS485
Battery Modules in Series Per Cabinet 8
Battery Module Energy 5.12kWh
Battery Module Nominal Voltage 51.2V
Battery Module Nominal Capacity 100AH
Performance Warranty 10 years or 130MWh Throughput
Product Warranty 10 Years
Certifications UL1973, UL9540, UL9540a, UN38.3, FCC, Prop 65

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.

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USA Based Tech & Customer Support Got a question? Speak to our USA based tech & customer support team: 571-350-0146
#1 DIY Solar Authorized Retailer
Fast & Safe Shipping
Sales Tax Free
Authorized Dealer Warranty