Sol-Ark · Indoor Battery Energy Storage

Sol-Ark L3 Series Limitless HV Indoor BESS

Indoor IP20 high-voltage commercial battery storage.

The L3 Series Limitless HV Indoor is Sol-Ark's IP20-rated indoor commercial BESS, engineered for facilities that house storage in conditioned mechanical or utility rooms. High-voltage architecture for fast charge and discharge, with serviceable, modular construction.

Key features

• IP20 indoor enclosure
• High-voltage modular architecture
• Serviceable rack-style construction
• UL 9540 / NFPA 855 compliant design
• Pairs with Sol-Ark commercial inverters

Specifications

Cell Chemistry

LFP (Lithium Iron Phosphate)

System Nominal Voltage

614.4 V DC

Roundtrip Efficiency

94% (DC)

Enclosure

IP20 (indoor rack)

Safety

Built-in aerosol fire suppression

Configurations

40 kWh bank (with 30K) / 60 kWh bank (with 60K); modular

Scalability

Modular, expandable up to 9.6 MWh

Compatibility

Sol-Ark L3 platform (30K / 60K)

Warranty

10-year standard

Specifications shown for reference. Lumis will confirm final scope and configuration during system design.