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StackRack Battery Systems, LLC

SR5K-UL Battery Module / Luxpower 12K

Energy storage · 2 exact configurations · California, US

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A registry listing is a starting point. CEC inclusion is not nationwide installation approval. Confirm the exact model and configuration with your utility and local authority.

How to use this data

Equipment overview

12 kW, 61.44 kWh (12 battery packs 5.12 kWh each), 208 Vac LFP Energy Storage System

The figures below refer to SR5K-UL Battery Module / Luxpower 12K {208V}. Use the configuration table for other variants.

Nameplate power
12 kW
Nominal AC voltage
208 V AC
Nameplate energy capacity
61.44 kWh
Technology
Lithium Ion
UL 1741 SB in CEC source
Not reported as Y
JA12 declaration
N

Specifications are reported in the CEC source; SolarApprovals has not independently tested this equipment. A missing value does not mean zero or a failed certification.

Exact configurations

CEC annotations in braces identify the listed configuration and are not part of the manufacturer’s model number. Variants share this canonical page.

Exact CEC configurations for SR5K-UL Battery Module / Luxpower 12K
CEC model / configurationNameplate powerCapacityObservationCompare
SR5K-UL Battery Module / Luxpower 12K {208V}Energy Storage System row 628312 kW61.44 kWhListed in CEC
SR5K-UL Battery Module / Luxpower 12K {240V}Energy Storage System row 628412 kW61.44 kWhListed in CEC

Source specifications and conditions

Additional source information for SR5K-UL Battery Module / Luxpower 12K {208V}. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.

CEC listing date
2023-10-11
PV DC input capability
Y
UL 9540 certificate date
2023-08-21
UL 9540 certifying entity
SGS
Firmware version(s) tested
No Information Submitted
UL 1741 SB certificate date
No Information Submitted
UL 1741 SB certifying entity
No Information Submitted
Certified JA12 control strategies
No Information Submitted
Maximum continuous discharge rate (kW)
12
Manufacturer-declared round-trip efficiency (%)
No Information Submitted

Use the source row references above to inspect the conditions for each other configuration.

Documented compatibility

No specific equipment pairing has been verified for this model.

Shared voltage, a hybrid designation, or the same manufacturer does not establish compatibility. Check the manufacturer’s installation documents for exact model combinations, firmware, and operating conditions.

Registry observation history

Dates show when SolarApprovals observed a status. The first observation is not the original CEC listing date. History begins with our first import.

  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSR5K-UL Battery Module / Luxpower 12K {240V}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSR5K-UL Battery Module / Luxpower 12K {208V}
    Archived CEC source