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SolaX Power Network Technology (Zhe jiang) Co., Ltd.

A1-ESS-G2

Energy storage · 12 exact configurations · California, US

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i

A registry listing is a starting point. CEC inclusion is not nationwide installation approval. Confirm the exact model and configuration with your utility and local authority.

How to use this data

Equipment overview

3.8 kW, 10 kWh, 240 Vac lithium-iron, Energy Storage System. A1-ESS-G2 Series ESS may be provided with or without Backup Interface(BI), model A1-BI-200-G2 or A1-BI-PRO-200-G2

The figures below refer to A1-ESS-G2 {3.8kW, 10kWh}. Use the configuration table for other variants.

Nameplate power
3.8 kW
Nominal AC voltage
240 V AC
Nameplate energy capacity
10 kWh
Technology
Lithium Ion
UL 1741 SB in CEC source
Reported
JA12 declaration
N

Specifications are reported in the CEC source; SolarApprovals has not independently tested this equipment. A missing value does not mean zero or a failed certification.

Exact configurations

CEC annotations in braces identify the listed configuration and are not part of the manufacturer’s model number. Variants share this canonical page.

Exact CEC configurations for A1-ESS-G2
CEC model / configurationNameplate powerCapacityObservationCompare
A1-ESS-G2 {3.8kW, 10kWh}Energy Storage System row 61903.8 kW10 kWhListed in CEC
A1-ESS-G2 {3.8kW, 15kWh}Energy Storage System row 62183.8 kW15 kWhListed in CEC
A1-ESS-G2 {3.8kW, 20kWh}Energy Storage System row 62383.8 kW20 kWhListed in CEC
A1-ESS-G2 {5.0kW, 10kWh}Energy Storage System row 61915 kW10 kWhListed in CEC
A1-ESS-G2 {5.0kW, 15kWh}Energy Storage System row 62195 kW15 kWhListed in CEC
A1-ESS-G2 {5.0kW, 20kWh}Energy Storage System row 62395 kW20 kWhListed in CEC
A1-ESS-G2 {6.0kW, 10kWh}Energy Storage System row 61926 kW10 kWhListed in CEC
A1-ESS-G2 {6.0kW, 15kWh}Energy Storage System row 62206 kW15 kWhListed in CEC
A1-ESS-G2 {6.0kW, 20kWh}Energy Storage System row 62406 kW20 kWhListed in CEC
A1-ESS-G2 {7.6kW, 10kWh}Energy Storage System row 61937.6 kW10 kWhListed in CEC
A1-ESS-G2 {7.6kW, 15kWh}Energy Storage System row 62217.6 kW15 kWhListed in CEC
A1-ESS-G2 {7.6kW, 20kWh}Energy Storage System row 62417.6 kW20 kWhListed in CEC

Source specifications and conditions

Additional source information for A1-ESS-G2 {3.8kW, 10kWh}. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.

Source notes
Only capable of receiving DC input from PV module system if equipped with a hybrid inverter component.
CEC listing date
2022-10-03
Source last update
2026-01-12
PV DC input capability
Y
UL 9540 certificate date
2023-07-21
UL 9540 certifying entity
CSA Group
Firmware version(s) tested
[V1.05, V1.03, V1.10]
UL 1741 SB certificate date
[4/26/2022]
UL 1741 SB certifying entity
CSA Group
Certified JA12 control strategies
No Information Submitted
Maximum continuous discharge rate (kW)
3.8
Manufacturer-declared round-trip efficiency (%)
No Information Submitted

Use the source row references above to inspect the conditions for each other configuration.

Documented compatibility

No specific equipment pairing has been verified for this model.

Shared voltage, a hybrid designation, or the same manufacturer does not establish compatibility. Check the manufacturer’s installation documents for exact model combinations, firmware, and operating conditions.

Registry observation history

Dates show when SolarApprovals observed a status. The first observation is not the original CEC listing date. History begins with our first import.

  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {7.6kW, 20kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {6.0kW, 20kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {5.0kW, 20kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {3.8kW, 20kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {7.6kW, 15kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {6.0kW, 15kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {5.0kW, 15kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {3.8kW, 15kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {7.6kW, 10kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {6.0kW, 10kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {5.0kW, 10kWh}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECA1-ESS-G2 {3.8kW, 10kWh}
    Archived CEC source