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2,383.4–3,404.8 kWh

Commercial energy storage systemSYL (NINGBO) Battery

SYL (NINGBO) Battery SUxxxxU1200LM

2,383.4–3,404.8 kWh · 1,200 kW · Lithium Iron Phosphate · 4 configurations

UL 9540UL 1741 SBCEC listed · Jul 1, 2024

Nameplate energy2,383.4–3,404.8 kWh
Continuous power1,200 kW
ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

SUxxxxU1200LM: 2,383.4–3,404.8 kWh nameplate energy; 1,200 kW continuous; lithium iron phosphate.

Models & configurations

CEC Energy Storage System List · 4 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
SU2383U1200LM	2,383.4 kWh	1,200 kW	480 V	—	Jul 1, 2024
SU2724U1200LM	2,723.8 kWh	1,200 kW	480 V	—	Jul 1, 2024
SU3064U1200LM	3,064.3 kWh	1,200 kW	480 V	—	Jul 1, 2024
SU3405U1200LM	3,404.8 kWh	1,200 kW	480 V	—	Jul 1, 2024

Capacity & power

CEC Energy Storage System List

Nameplate energy (CEC)2,383.4–3,404.8 kWh
Rated power (CEC)1,200 kW
Max continuous discharge (CEC)1,200 kW
Full-power discharge timeabout 2.9 h at full power
ChemistryLithium Iron Phosphate
Grid connection480 V

Safety listings

CEC Energy Storage System List

UL 9540 (energy storage system)Certified by SGS
Certificate date & editionSep 1, 2023 · Ed. 2 : 2021

UL 9540 certifies the whole storage system; UL 9540A is the fire-propagation test that fire codes ask for indoors and near walls.

California grid & code compliance

CEC Energy Storage System List

UL 1741 SB (IEEE 1547-2018)Yes
UL 1741 SA (Rule 21)No
CSIP (IEEE 2030.5)No
JA12 declaration (Title 24)No
Monitor Key Data schedulingNo

Questions & answers

How much energy does the SYL (NINGBO) Battery SUxxxxU1200LM store?

2,383.4–3,404.8 kWh nameplate, per the California Energy Commission list.

Is the SUxxxxU1200LM UL 9540 certified?

Yes — the CEC list shows UL 9540 certification (certified by sgs).

Sources

California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.