SolaX Power A1-AC-6.0K-G2

Name: SolaX Power A1-AC-6.0K-G2
Brand: SolaX Power

Battery inverter, ac-coupled battery inverter. 4 models, 3.8 kW–7.6 kW AC at 240 V.

UL 1741 SBCEC listed · Sep 1, 2022

Model

Rated AC power6 kW
CEC weighted efficiency96.0%

Models & power ratings

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

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB
A1-AC-3.8K-G2	3.8 kW	240 V	3.81 kW	3.81 kW	95.0%	76–450 V	Sep 1, 2022	SB
A1-AC-5.0K-G2	5 kW	240 V	5.03 kW	5.03 kW	96.0%	100–450 V	Sep 1, 2022	SB
A1-AC-6.0K-G2	6 kW	240 V	6.04 kW	6.04 kW	96.0%	121–450 V	Sep 1, 2022	SB
A1-AC-7.6K-G2	7.6 kW	240 V	7.6 kW	7.6 kW	96.5%	150–450 V	Sep 1, 2022	SB

Efficiency

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

CEC weighted efficiency96.0%
Night-time standby (tare)1.2 W
Power to start converting37 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 Dec 9, 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 Sep 1, 2022)
Power control system (PCS)Stated in CEC listing (power control system)
CEC listedSep 1, 2022
Last CEC updateJan 12, 2026

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

Compare with similar 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
SolaX Power A1-AC-x.xK-G2	3.8 kW–7.6 kW	96.0%	121–450 V	Yes	2022	0
GoodWe GWxxxxA-BP	5 kW–9.6 kW	96.5%	200–495 V	Yes	2021	1
FOXESS AIO-AC1-x.x-US	3.8 kW–11.4 kW	97.0%	85–500 V	Yes	2025	—
APsystems (Altenergy Power System) ELS	6.61 kW–11.4 kW	94.0%	51–60 V	Yes	2024	—
Hoymiles HAS-x.xLV-USG1	3.8 kW–11.5 kW	94.0%	50–60 V	Yes	2024	—

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

About SolaX Power

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerSolaX Power
Listed in CEC asSolaX Power Network Technology (Zhe jiang) Co., Ltd.
Websitesolaxpower.com
Models on CEC lists118

Other series

A1-Fit-x.x-US

Questions & answers

How efficient is the SolaX Power A1-AC-x.xK-G2?

The California Energy Commission lists a weighted efficiency of 95.0–96.5% for SolaX Power A1-AC-x.xK-G2 models, measured at six power levels and three DC voltages.

What sizes does the SolaX Power A1-AC-x.xK-G2 come in?

The CEC list includes 4 models from 3.8 kW to 7.6 kW AC: A1-AC-3.8K-G2, A1-AC-5.0K-G2, A1-AC-6.0K-G2, A1-AC-7.6K-G2.

Is the SolaX Power A1-AC-x.xK-G2 certified to UL 1741 SB?

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

Can the SolaX Power A1-AC-x.xK-G2 be used with a battery?

The CEC lists it as a ac-coupled battery inverter.

What is the A1-AC-6.0K-G2’s DC input voltage range?

CEC tested it at 121–450 V DC.

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.
NLR (formerly NREL) — System Advisor Model CEC inverter library (version 2026.7.3).
Building permits — Southern California permit portals. Equipment matched from permit descriptions.