GWCS11.4-US20

Equipment overview

11.4 kW, 10.6 kWh, 240 Vac lithium ion energy storage system

The figures below refer to GWCS11.4-US20 {11.4kW, 10.6kWh}. Use the configuration table for other variants.

Nameplate power

11.4 kW

Nominal AC voltage

240 V AC

Nameplate energy capacity

10.6 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.

Source specifications and conditions

Additional source information for GWCS11.4-US20 {11.4kW, 10.6kWh}. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.

CEC listing date

2024-07-11

PV DC input capability

N

UL 9540 certificate date

2024-03-15

UL 9540 certifying entity

SGS

Firmware version(s) tested

No Information Submitted

UL 1741 SB certificate date

[7/19/2022]

UL 1741 SB certifying entity

CSA Group

Certified JA12 control strategies

No Information Submitted

Maximum continuous discharge rate (kW)

5

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 CECGWCS11.4-US20 {11.4kW, 76.8kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 64kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 57.6kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 51.2kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 48kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 38.4kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 32kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 28.8kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 25.6kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 19.2kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 17.7kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 16kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 14.1kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 12.8kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 10.6kWh}
  Archived CEC source
• Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECGWCS11.4-US20 {11.4kW, 9.6kWh}
  Archived CEC source