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552–1,104 kWh

Commercial energy storage systemShenzhen Cubenergy

Shenzhen Cubenergy PowerCombo-20C1HxxxK

552–1,104 kWh · 500–1,000 kW · Lithium Iron Phosphate · 2 configurations

UL 9540CEC listed · Oct 11, 2024

Nameplate energy552–1,104 kWh
Continuous power500–1,000 kW
ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

PowerCombo-20C1HxxxK: 552–1,104 kWh nameplate energy; 500–1,000 kW continuous; lithium iron phosphate.

Models & configurations

CEC Energy Storage System List · 2 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
PowerCombo-20C1H500K	552 kWh	500 kW	480 V	—	Nov 12, 2024
PowerCombo-20C1H1000K	1,104 kWh	1,000 kW	400 V	—	Oct 11, 2024

Capacity & power

CEC Energy Storage System List

Nameplate energy (CEC)552–1,104 kWh
Rated power (CEC)500–1,000 kW
Max continuous discharge (CEC)500–1,000 kW
Full-power discharge timeabout 1.1 h at full power
ChemistryLithium Iron Phosphate
Grid connection400 / 480 V

Safety listings

CEC Energy Storage System List

UL 9540 (energy storage system)Certified by TUV Rheinland
Certificate date & editionSep 2, 2022 · Ed. 2 : 2020

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)No
UL 1741 SA (Rule 21)No
CSIP (IEEE 2030.5)No
JA12 declaration (Title 24)No
Last CEC updateNov 21, 2024
Monitor Key Data schedulingNo

Questions & answers

How much energy does the Shenzhen Cubenergy PowerCombo-20C1HxxxK store?

552–1,104 kWh nameplate, per the California Energy Commission list.

Is the PowerCombo-20C1HxxxK UL 9540 certified?

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

Sources

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