EP Cube2 UL-S-10G
Energy storage · 7 exact configurations · California, US
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 dataEquipment overview
11.5 kW, 10 kWh, 240 Vac energy storage system. Must include PV Modules in the system
The figures below refer to EP Cube2 UL-S-10G. Use the configuration table for other variants.
- Nameplate power
- 11.5 kW
- Nominal AC voltage
- 240 V AC
- Nameplate energy capacity
- 10 kWh
- Technology
- Lithium Iron Phosphate
- UL 1741 SB in CEC source
- Reported
- JA12 declaration
- Y (2022)
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.
| CEC model / configuration | Nameplate power | Capacity | Observation | Compare |
|---|---|---|---|---|
| EP Cube2 UL-S-10GEnergy Storage System row 1780 | 11.5 kW | 10 kWh | Listed in CEC | |
| EP Cube2 UL-S-10G {208V, 5kW}Energy Storage System row 1781 | 5 kW | 10 kWh | Listed in CEC | |
| EP Cube2 UL-S-10G {208V, 6.6kW}Energy Storage System row 1782 | 6.6 kW | 10 kWh | Listed in CEC | |
| EP Cube2 UL-S-10G {208V, 9.9kW}Energy Storage System row 1783 | 9.9 kW | 10 kWh | Listed in CEC | |
| EP Cube2 UL-S-10G {240V, 5.8kW}Energy Storage System row 1784 | 5.8 kW | 10 kWh | Listed in CEC | |
| EP Cube2 UL-S-10G {240V, 7.6kW}Energy Storage System row 1785 | 7.6 kW | 10 kWh | Listed in CEC | |
| EP Cube2 UL-S-10G {240V, 9.6kW}Energy Storage System row 1786 | 9.6 kW | 10 kWh | Listed in CEC |
Source specifications and conditions
Additional source information for EP Cube2 UL-S-10G. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.
- Brand
- EternalPlanet
- Source notes
- Max discharge power of the battery component is 7.6 kW
- CEC listing date
- 2025-11-12
- Source last update
- 2026-02-02
- PV DC input capability
- Y
- UL 9540 certificate date
- 2025-09-30
- UL 9540 certifying entity
- TUV Rheinland
- Firmware version(s) tested
- No Information Submitted
- UL 1741 SB certificate date
- [9/30/2025]
- UL 1741 SB certifying entity
- TUV Rheinland
- Certified JA12 control strategies
- Basic, TOU
- Maximum continuous discharge rate (kW)
- 11.5
- Manufacturer-declared round-trip efficiency (%)
- 82.4
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 CECEP Cube2 UL-S-10G {240V, 9.6kW}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECEP Cube2 UL-S-10G {240V, 7.6kW}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECEP Cube2 UL-S-10G {240V, 5.8kW}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECEP Cube2 UL-S-10G {208V, 9.9kW}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECEP Cube2 UL-S-10G {208V, 6.6kW}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECEP Cube2 UL-S-10G {208V, 5kW}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECEP Cube2 UL-S-10G
Archived CEC source