Illustration

Hybrid inverterQcells

Qcells Q.VOLT H7.6SX

Name: Qcells Q.VOLT H7.6SX
Brand: Qcells

Hybrid inverter, dc-coupled hybrid (pv + battery). 4 models, 3.8 kW–7.6 kW AC at 240 V.

UL 1741 SBCEC listed · Mar 13, 2023Installed in 25 SoCal permits

Model

Rated AC power7.6 kW
CEC weighted efficiency97.5%

Models & power ratings

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library · building permits · 4 models

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB	In permits
Q.VOLT H3.8SX	3.8 kW	240 V	3.81 kW	3.81 kW	97.0%	175–500 V	Mar 13, 2023	SB	—
Q.VOLT H5.0SX	5 kW	240 V	5 kW	5 kW	97.5%	230–500 V	Mar 13, 2023	SB	—
Q.VOLT H6.0SX	6 kW	240 V	6.02 kW	6.02 kW	97.5%	277–499 V	Mar 13, 2023	SB	—
Q.VOLT H7.6SX	7.6 kW	240 V	7.59 kW	7.59 kW	97.5%	234–498 V	Mar 13, 2023	SB	20

Some models are also on the CEC Battery Inverter list — one product, two listings.

DC input (PV side)

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library

CEC test DC voltages (min / nom / max)234 / 366 / 498 V
DC input at rated output (CEC test)7.81 kW

Efficiency

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library

CEC weighted efficiency97.5%
Night-time standby (tare)1.2 W
Power to start converting20.2 W

CEC weighted efficiency is measured by an accredited lab at six power levels and three DC voltages — the number to compare between inverters.

Grid & smart-inverter certification

CEC Grid Support Inverter List (Oct 7, 2026)

UL 1741 SB (3rd ed.)Yes — CSA Group, certificate Apr 12, 2024
UL 1741 SA (SA8–SA13)Yes — CSA Group
Volt-VAr with reactive power priority (SA13)Yes
Freq-Watt / Volt-Watt (SA14–15)Yes
Disable permit service / limit active power (SA17–18)Yes
CSIP (IEEE 2030.5) conformanceVia gateway during testing (Y*)
Monitor key data & scheduling (Rule 21 Phase 3)Yes (attested Mar 13, 2023)
Power control system (PCS)Stated in CEC listing (power control system)
CEC listedMar 13, 2023
Last CEC updateJun 3, 2024

UL 1741 SB is required for new interconnections in California (Rule 21) since 2026.

Panel compatibility & string sizing

NLR SAM inverter library · NLR PVWatts v8 · CEC PV Module List · Cali-Graf calculation

CityColdest air, °CHottest cell, °C

Q.VOLT H7.6SX: max DC 498 V · MPPT 234–498 V (CEC test window)

Most-permitted panels in Southern California

Panel	Power	Voc cold	Vmp hot	Panels per string	Installed together
Qcells Q.PEAK DUO BLK ML-G10+ 410	410 W	48.1 V	30.6 V	8–10	14
Qcells Q.TRON BLK M-G2+ 430	430 W	41.3 V	28 V	9–12	2
Qcells Q.PEAK DUO BLK ML-G10.C+ 410	410 W	48.1 V	30.6 V	8–10	—
LONGi LR5-54HABB-400M	400 W	39.3 V	25.3 V	10–12	—
JA Solar JAM54S31-405/MR	405 W	39.4 V	25.5 V	10–12	—
Hyundai Solutions HiN-T440NF(BK)	440 W	40.9 V	27 V	9–12	—
Silfab Solar SIL-440QD	440 W	41.1 V	28 V	9–12	—
Qcells Q.TRON BLK M-G2.H+ 430	430 W	41.3 V	28 V	9–12	—
REC Group REC460AA Pure-RX	460 W	68.8 V	47.1 V	5–7	—
Elin (Sirius PV) ELNSM54M-HC-410	410 W	39.3 V	25.3 V	10–12	—
Qcells Q.TRON BLK M-G2.C+ 430	430 W	41.3 V	28 V	9–12	—
Tesla TSP-420	420 W	43.4 V	27.7 V	9–11	—

Voltage check only, from CEC panel data and NLR weather for the city. Final design must follow the inverter manual and NEC 690.7.

Battery & storage pairings

CEC Energy Storage System List · building permits

CEC-certified storage systems that include it

System	Energy	Power	Chemistry	CEC listed
Qcells North America Q.HOME CORE H3S 3.8/10.0X	10 kWh	3.8 kW	Lithium Ion	Apr 3, 2023
Qcells North America Q.HOME CORE H5S 5.0/10.0X	10 kWh	5 kW	Lithium Ion	Apr 3, 2023
Qcells North America Q.HOME CORE H6S 6.0/10.0X	10 kWh	6 kW	Lithium Ion	Apr 3, 2023
Qcells North America Q.HOME CORE H7S 7.6/10.0X	10 kWh	7.6 kW	Lithium Ion	Apr 3, 2023
Qcells North America Q.HOME CORE H3S 3.8/15.0X	15 kWh	3.8 kW	Lithium Ion	Apr 3, 2023
Qcells North America Q.HOME CORE H5S 5.0/15.0X	15 kWh	5 kW	Lithium Ion	Apr 3, 2023
Qcells North America Q.HOME CORE H6S 6.0/15.0X	15 kWh	6 kW	Lithium Ion	Apr 3, 2023
Qcells North America Q.HOME CORE H7S 7.6/15.0X	15 kWh	7.6 kW	Lithium Ion	Apr 3, 2023
Qcells North America Q.HOME CORE H3S 3.8/20.0X	20 kWh	3.8 kW	Lithium Ion	Apr 3, 2023
Qcells North America Q.HOME CORE H5S 5.0/20.0X	20 kWh	5 kW	Lithium Ion	Apr 3, 2023

and 2 more on the CEC Energy Storage System List

Batteries installed with it in SoCal

Qcells Q.SAVE

What it's installed with

building permits

Panels

Qcells Q.PEAK DUO

Qcells (model not specified)

Qcells Q.TRON

Batteries

Qcells Q.SAVE

Gateways & interfaces

Qcells RSD

IronRidge (model not specified)

Qcells Q.HOME Hub

Permits naming both; 24 of 25 permits list other equipment.

Installed in Southern California

building permits

Permits name it

Jun 2024 – Apr 2026

Jurisdictions so far

LA County (unincorp.) (22), Chula Vista (1), Palmdale (1), San Diego C

9.8 kW

Typical system

median of 18 permits

Permits over time

Model named in permit

Q.VOLT H7.6SX

Top ZIP codes

ZIP 917454
ZIP 900022
ZIP 913022
ZIP 917242
Other ZIP codes14

Only installer and ZIP level is shown — no homeowner names, street addresses or permit numbers. Permits from LA County (unincorp.) come without a contractor license, so they count toward totals but not toward installers. Counts grow as more permit portals are loaded.

Who installs Q.VOLT Hx.xSX in SoCal

building permits · CSLB License Master

Lgcy Electric

Lehi · CSLB #1099095

2 installsApr 2025 – Apr 2026Chula Vista, San Diego County

Lumenexx

Walnut · CSLB #1114147

1 installMay 2025Palmdale

Compare with similar 7.6 kW inverters

CEC Grid Support Inverter List (Oct 7, 2026) · building permits

Inverter	Power	CEC weighted eff.	DC test window	UL 1741 SB	Latest CEC	SoCal permits
Qcells Q.VOLT Hx.xSX	3.8 kW–7.6 kW	97.5%	234–498 V	Yes	2023	20
SolarEdge SExxxxH-US	3 kW–11.4 kW	99.0%	360–480 V	Yes	2025	1,046
Delta Electronics Ex-TL-US	3.33 kW–9.6 kW	97.5%	200–480 V	Yes	2022	28
SolarEdge SExxxxxA-US	3.8 kW–11.4 kW	98.0%	320–500 V	No	2024	18
Growatt MIN xxxxTL-XH-US	2.63 kW–11.4 kW	98.0%	125–480 V	Yes	2021	15

Same type and grid voltage, power range covering this model; same fields from the same sources.

About Qcells

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerQcells
Listed in CEC asQcells North America
Parent companyHanwha
Websiteq-cells.com
Models on CEC lists1504

Other series

Q.HOME+ HYB-G1

Questions & answers

How efficient is the Qcells Q.VOLT Hx.xSX?

The California Energy Commission lists a weighted efficiency of 97.0–97.5% for Qcells Q.VOLT Hx.xSX models, measured at six power levels and three DC voltages.

What sizes does the Qcells Q.VOLT Hx.xSX come in?

The CEC list includes 4 models from 3.8 kW to 7.6 kW AC: Q.VOLT H3.8SX, Q.VOLT H5.0SX, Q.VOLT H6.0SX, Q.VOLT H7.6SX.

Is the Qcells Q.VOLT Hx.xSX certified to UL 1741 SB?

Yes — the CEC Grid Support Inverter List shows UL 1741 SB for all models.

Can the Qcells Q.VOLT Hx.xSX be used with a battery?

The CEC lists it as a dc-coupled hybrid (pv + battery). CEC-certified storage systems that include it: Qcells North America Q.HOME CORE H3S 3.8/10.0X, Qcells North America Q.HOME CORE H5S 5.0/10.0X, Qcells North America Q.HOME CORE H6S 6.0/10.0X. In Southern California permits it was installed with Qcells Q.SAVE.

What is the Q.VOLT H7.6SX’s DC input voltage range?

CEC tested it at 234–498 V DC.

Who installs it in Southern California?

Building permits name this series 25 times (Jun 2024 – Apr 2026). The most active licensed installers are Lgcy Electric, Lumenexx.

Sources

California Energy Commission — Grid Support Inverter List (solar and battery inverters), data as of Oct 7, 2026. Manufacturer-reported, confirmed by CEC against certificates and test reports.
California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.
NLR (formerly NREL) — System Advisor Model CEC inverter library (version 2026.7.3).
NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Riverside, Santa Clarita, Chula Vista, Huntington Beach.
California Energy Commission — PV Module List (module electrical data for the compatibility check).
Building permits — Los Angeles County Public Works (EPIC-LA, unincorporated areas) (Jun 2024 – Nov 2025); City of Chula Vista (Apr 2026); City of Palmdale (May 2025); San Diego County (Apr 2025). Equipment matched from permit descriptions by model number.
Contractors State License Board — License Master (contractor names and license status), as of Oct 5, 2026.
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).