Sol-Ark · Outdoor Battery Energy Storage

Sol-Ark L3 Series Limitless HVR Outdoor BESS

Outdoor-rated high-voltage commercial battery storage.

The L3 Series Limitless HVR is Sol-Ark's outdoor-rated commercial battery energy storage system. Engineered for demand-charge mitigation, peak shaving, and microgrid resiliency, it pairs with Sol-Ark commercial hybrid inverters for a single-OEM solution.

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Download spec sheet (PDF)

Key features

Outdoor-rated weatherproof enclosure
High-voltage architecture
Scales for commercial and industrial loads
UL 9540 / NFPA 855 compliant design
Native integration with Sol-Ark inverters

Specifications

Nameplate Energy (DC): 61.44 kWh per cabinet
Usable Energy (DC): 55.30 kWh per cabinet
Cell Chemistry: LFP (Lithium Iron Phosphate)
System Nominal Voltage: 614.4 V DC
Roundtrip Efficiency: 94% (DC)
Built-in DC Disconnect: 200 A
Enclosure: IP55 (outdoor)
Safety: Built-in aerosol fire suppression (module + cabinet)
Scalability: Modular, 60 kWh to 9.6 MWh
Compatibility: Sol-Ark 30K & 60K commercial hybrid inverters
Warranty: 10-year standard

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