Sigenergy SigenStor-xx.x

6–54.2 kWh · 3–11.5 kW · Lithium Iron Phosphate · direct PV input · 136 configurations

UL 9540UL 1741 SBCEC listed · Aug 11, 2025

Nameplate energy6–54.2 kWh
Continuous power3–11.5 kW
Round trip (AC)87.2–89.5%
ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

SigenStor-xx.x: 6–54.2 kWh nameplate energy; 3–11.5 kW continuous; lithium iron phosphate; accepts solar panels directly (DC-coupled).

Models & configurations

CEC Energy Storage System List · 136 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
SigenStor-5.7-6.02 {208V}	6 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-6.02 {240V}	6 kWh	5.7 kW	240 V	87%	Aug 11, 2025
SigenStor-7.6-6.02 {208V}	6 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-6.02 {240V}	6 kWh	7.6 kW	240 V	87%	Aug 11, 2025
SigenStor-9.6-6.02 {208V}	6 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-6.02 {240V}	6 kWh	9.6 kW	240 V	87%	Aug 11, 2025
SigenStor-11.5-6.02 {208V}	6 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-6.02 {240V}	6 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-9.04 {208V}	9 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-9.04 {240V}	9 kWh	5.7 kW	240 V	90%	Aug 11, 2025
SigenStor-7.6-9.04 {208V}	9 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-9.04 {240V}	9 kWh	7.6 kW	240 V	90%	Aug 11, 2025
SigenStor-9.6-9.04 {208V}	9 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-9.04 {240V}	9 kWh	9.6 kW	240 V	90%	Aug 11, 2025
SigenStor-11.5-9.04 {208V}	9 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-9.04 {240V}	9 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-12.04 {208V}	12 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-12.04 {240V}	12 kWh	5.7 kW	240 V	87%	Aug 11, 2025
SigenStor-7.6-12.04 {208V}	12 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-12.04 {240V}	12 kWh	7.6 kW	240 V	87%	Aug 11, 2025
SigenStor-9.6-12.04 {208V}	12 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-12.04 {240V}	12 kWh	9.6 kW	240 V	87%	Aug 11, 2025
SigenStor-11.5-12.04 {208V}	12 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-12.04 {240V}	12 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-15.06 {208V}	15.1 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-15.06 {240V}	15.1 kWh	5.7 kW	240 V	89%	Aug 11, 2025
SigenStor-7.6-15.06 {208V}	15.1 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-15.06 {240V}	15.1 kWh	7.6 kW	240 V	89%	Aug 11, 2025
SigenStor-9.6-15.06 {208V}	15.1 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-15.06 {240V}	15.1 kWh	9.6 kW	240 V	89%	Aug 11, 2025
SigenStor-11.5-15.06 {208V}	15.1 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-15.06 {240V}	15.1 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-18.08 {208V}	18.1 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-18.08 {240V}	18.1 kWh	5.7 kW	240 V	90%	Aug 11, 2025
SigenStor-7.6-18.08 {208V}	18.1 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-18.08 {240V}	18.1 kWh	7.6 kW	240 V	90%	Aug 11, 2025
SigenStor-9.6-18.08 {208V}	18.1 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-18.08 {240V}	18.1 kWh	9.6 kW	240 V	90%	Aug 11, 2025
SigenStor-11.5-18.08 {208V}	18.1 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-18.08 {240V}	18.1 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-21.08 {208V}	21.1 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-21.08 {240V}	21.1 kWh	5.7 kW	240 V	88%	Aug 11, 2025
SigenStor-7.6-21.08 {208V}	21.1 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-21.08 {240V}	21.1 kWh	7.6 kW	240 V	88%	Aug 11, 2025
SigenStor-9.6-21.08 {208V}	21.1 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-21.08 {240V}	21.1 kWh	9.6 kW	240 V	88%	Aug 11, 2025
SigenStor-11.5-21.08 {208V}	21.1 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-21.08 {240V}	21.1 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-24.10 {208V}	24.1 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-24.10 {240V}	24.1 kWh	5.7 kW	240 V	89%	Aug 11, 2025
SigenStor-7.6-24.10 {208V}	24.1 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-24.10 {240V}	24.1 kWh	7.6 kW	240 V	89%	Aug 11, 2025
SigenStor-9.6-24.10 {208V}	24.1 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-24.10 {240V}	24.1 kWh	9.6 kW	240 V	89%	Aug 11, 2025
SigenStor-11.5-24.10 {208V}	24.1 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-24.10 {240V}	24.1 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-27.12 {208V}	27.1 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-27.12 {240V}	27.1 kWh	5.7 kW	240 V	90%	Aug 11, 2025
SigenStor-7.6-27.12 {208V}	27.1 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-27.12 {240V}	27.1 kWh	7.6 kW	240 V	90%	Aug 11, 2025
SigenStor-9.6-27.12 {208V}	27.1 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-27.12 {240V}	27.1 kWh	9.6 kW	240 V	90%	Aug 11, 2025
SigenStor-11.5-27.12 {208V}	27.1 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-27.12 {240V}	27.1 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-30.12 {208V}	30.1 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-30.12 {240V}	30.1 kWh	5.7 kW	240 V	89%	Aug 11, 2025
SigenStor-7.6-30.12 {208V}	30.1 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-30.12 {240V}	30.1 kWh	7.6 kW	240 V	89%	Aug 11, 2025
SigenStor-9.6-30.12 {208V}	30.1 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-30.12 {240V}	30.1 kWh	9.6 kW	240 V	89%	Aug 11, 2025
SigenStor-11.5-30.12 {208V}	30.1 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-30.12 {240V}	30.1 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-33.14 {208V}	33.1 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-33.14 {240V}	33.1 kWh	5.7 kW	240 V	89%	Aug 11, 2025
SigenStor-7.6-33.14 {208V}	33.1 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-33.14 {240V}	33.1 kWh	7.6 kW	240 V	89%	Aug 11, 2025
SigenStor-9.6-33.14 {208V}	33.1 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-33.14 {240V}	33.1 kWh	9.6 kW	240 V	89%	Aug 11, 2025
SigenStor-11.5-33.14 {208V}	33.1 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-33.14 {240V}	33.1 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-36.16 {208V}	36.2 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-36.16 {240V}	36.2 kWh	5.7 kW	240 V	90%	Aug 11, 2025
SigenStor-7.6-36.16 {208V}	36.2 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-36.16 {240V}	36.2 kWh	7.6 kW	240 V	90%	Aug 11, 2025
SigenStor-9.6-36.16 {208V}	36.2 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-36.16 {240V}	36.2 kWh	9.6 kW	240 V	90%	Aug 11, 2025
SigenStor-11.5-36.16 {208V}	36.2 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-36.16 {240V}	36.2 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-39.16 {208V}	39.2 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-39.16 {240V}	39.2 kWh	5.7 kW	240 V	89%	Aug 11, 2025
SigenStor-7.6-39.16 {208V}	39.2 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-39.16 {240V}	39.2 kWh	7.6 kW	240 V	89%	Aug 11, 2025
SigenStor-9.6-39.16 {208V}	39.2 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-39.16 {240V}	39.2 kWh	9.6 kW	240 V	89%	Aug 11, 2025
SigenStor-11.5-39.16 {208V}	39.2 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-39.16 {240V}	39.2 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-42.18 {208V}	42.2 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-42.18 {240V}	42.2 kWh	5.7 kW	240 V	89%	Aug 11, 2025
SigenStor-7.6-42.18 {208V}	42.2 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-42.18 {240V}	42.2 kWh	7.6 kW	240 V	89%	Aug 11, 2025
SigenStor-9.6-42.18 {208V}	42.2 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-42.18 {240V}	42.2 kWh	9.6 kW	240 V	89%	Aug 11, 2025
SigenStor-11.5-42.18 {208V}	42.2 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-42.18 {240V}	42.2 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-45.20 {208V}	45.2 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-45.20 {240V}	45.2 kWh	5.7 kW	240 V	90%	Aug 11, 2025
SigenStor-7.6-45.20 {208V}	45.2 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-45.20 {240V}	45.2 kWh	7.6 kW	240 V	90%	Aug 11, 2025
SigenStor-9.6-45.20 {208V}	45.2 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-45.20 {240V}	45.2 kWh	9.6 kW	240 V	90%	Aug 11, 2025
SigenStor-11.5-45.20 {208V}	45.2 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-45.20 {240V}	45.2 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-48.20 {208V}	48.2 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-48.20 {240V}	48.2 kWh	5.7 kW	240 V	89%	Aug 11, 2025
SigenStor-7.6-48.20 {208V}	48.2 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-48.20 {240V}	48.2 kWh	7.6 kW	240 V	89%	Aug 11, 2025
SigenStor-9.6-48.20 {208V}	48.2 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-48.20 {240V}	48.2 kWh	9.6 kW	240 V	89%	Aug 11, 2025
SigenStor-11.5-48.20 {208V}	48.2 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-48.20 {240V}	48.2 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-51.22 {208V}	51.2 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-51.22 {240V}	51.2 kWh	5.7 kW	240 V	89%	Aug 11, 2025
SigenStor-7.6-51.22 {208V}	51.2 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-51.22 {240V}	51.2 kWh	7.6 kW	240 V	89%	Aug 11, 2025
SigenStor-9.6-51.22 {208V}	51.2 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-51.22 {240V}	51.2 kWh	9.6 kW	240 V	89%	Aug 11, 2025
SigenStor-11.5-51.22 {208V}	51.2 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-51.22 {240V}	51.2 kWh	11.5 kW	240 V	87%	Aug 11, 2025
SigenStor-5.7-54.24 {208V}	54.2 kWh	5.7 kW	208 V	—	Aug 21, 2026
SigenStor-5.7-54.24 {240V}	54.2 kWh	5.7 kW	240 V	90%	Aug 11, 2025
SigenStor-7.6-54.24 {208V}	54.2 kWh	7.6 kW	208 V	—	Aug 21, 2026
SigenStor-7.6-54.24 {240V}	54.2 kWh	7.6 kW	240 V	90%	Aug 11, 2025
SigenStor-9.6-54.24 {208V}	54.2 kWh	9.6 kW	208 V	—	Aug 21, 2026
SigenStor-9.6-54.24 {240V}	54.2 kWh	9.6 kW	240 V	90%	Aug 11, 2025
SigenStor-11.5-54.24 {208V}	54.2 kWh	11.5 kW	208 V	—	Aug 21, 2026
SigenStor-11.5-54.24 {240V}	54.2 kWh	11.5 kW	240 V	90%	Aug 11, 2025

Capacity & power

CEC Energy Storage System List

Nameplate energy (CEC)6–54.2 kWh
Rated power (CEC)5.7–11.5 kW
Max continuous discharge (CEC)3–11.5 kW
Full-power discharge timeabout 4.8 h at full power
Round-trip efficiency (AC-AC)87.2–89.5%
ChemistryLithium Iron Phosphate
Grid connection208 / 240 V

Charging from solar in Southern California

NLR PVWatts v8 · Cali-Graf calculation · CEC Energy Storage System List

City	December	June
Los Angeles	16.9 kW	10 kW
Palmdale	15.6 kW	9.1 kW
Chula Vista	14.4 kW	10.3 kW
Huntington Beach	15.9 kW	11 kW
Riverside	16.2 kW	9.6 kW
Santa Clarita	16 kW	9.5 kW

Solar array size that refills the battery from empty in one average day, before the home uses any of it (NLR PVWatts v8, 20° south roof).

Direct PV inputYes

Safety listings

CEC Energy Storage System List

UL 9540 (energy storage system)Certified by CSA Group
Certificate date & editionJul 7, 2025 · Ed. 3 : 2025

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)Yes (with conditions)
Anti-islanding method groupsGroup 1 Anti-Island8, Group 5 Anti-Island8
JA12 declaration (Title 24)No
JA12 control strategiesBasic, TOU, Advance DR
Last CEC updateApr 21, 2026
Monitor Key Data schedulingYes

Compare with similar batteries

CEC Energy Storage System List

Battery	Energy	Continuous power	Chemistry	Warranty	SoCal permits
Sol-Ark L3 HVR	36.9–55.3 kWh	30–60 kW	Lithium Iron Phosphate	10 years	7
EG4 Electronics PP-16/280A3-18K1-AWLL	43 kWh	10.4–12 kW	Lithium Iron Phosphate	10 years	—
EG4 Electronics PP-16/280A3-18K2-AWLL	43 kWh	20.8–24 kW	Lithium Iron Phosphate	10 years	—
Power Center Duracell	14–42 kWh	5 kW	Lithium Iron Phosphate	—	—
Sol-Ark L3 HV-xxKWH-xxK	36.9–55.3 kWh	30–60 kW	Lithium Iron Phosphate	10 years	—

Same segment, similar capacity; each row from the same sources.

Questions & answers

How much energy does the Sigenergy SigenStor-xx.x store?

6–54.2 kWh nameplate, per the California Energy Commission list.

Is the SigenStor-xx.x UL 9540 certified?

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

Sources

California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.
NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Riverside, Santa Clarita, Chula Vista, Huntington Beach.
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).