EP Cube 2
EP Cube states 10 kWh (EP Cube2 UL-S-10G, United States) to 20 kWh (EP Cube2 UL-S-20G, United States) nominal energy.
EP Cube states 11.5 kW continuous power (EP Cube 2.0, United States, AC).
Warranty terms: 10 years (EP Cube 2.0, United States); warranted cycles: 6,000 cycles (EP Cube 2.0, United States); capacity at warranty end: 80% (EP Cube 2.0, United States).
Brand: EP Cube
Published figures
No figures have been collected for usable energy, units per system, and warranty throughput.
| Figure | Value | Publisher | Source |
|---|---|---|---|
| Nominal energy, EP Cube2 UL-S-10G | 10 kWh | Manufacturer Not yet checked | Spec sheet, at p.3 / Energy storage and power, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Nominal energy, EP Cube2 UL-S-20G | 20 kWh | Manufacturer Not yet checked | Spec sheet, at p.3 / Energy storage and power, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Continuous power, EP Cube 2.0 (AC) | 11.5 kW | Manufacturer Not yet checked | Spec sheet, at p.3 / Hybrid inverter, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Motor start (LRA), EP Cube2 UL-S-25G to UL-S-40G (1 second) | 185 A | Manufacturer Not yet checked | Spec sheet, at p.4 / Energy storage and power (UL-S-25G to UL-S-40G), retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Largest stack, EP Cube 2.0 | 120 kWh | Manufacturer Not yet checked | Spec sheet, at p.2 / Features, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Lowest operating temperature, EP Cube 2.0 | −10°C | Manufacturer Not yet checked | Spec sheet, at p.3 / General parameters, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Highest operating temperature, EP Cube 2.0 | 50°C | Manufacturer Not yet checked | Spec sheet, at p.3 / General parameters, retrieved Sep 25, 2026, dated Aug 14, 2025 |
Stated stack range
Largest stated stack: 120 kWh (energy basis not stated).
Stated temperature limits
Stated operating range: 14°F (−10°C) to 122°F (50°C), EP Cube 2.0.
Battery’s stated motor-start current: 185 A for the EP Cube2 UL-S-25G to UL-S-40G (LRA means locked-rotor amps, a motor’s starting current). Compare starting current.
Warranty terms
| Term | Figure | Document |
|---|---|---|
| Warranty, United States | EP Cube 2.0: 10 years | Spec sheet, at p.3 / Limited warranty, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Warranted cycles, United States | EP Cube 2.0: 6,000 cycles | Spec sheet, at p.3 / Limited warranty, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Capacity at warranty end, United States | EP Cube 2.0: 80% | Spec sheet, at p.3 / Limited warranty, retrieved Sep 25, 2026, dated Aug 14, 2025 |
Features the manufacturer states
Configuration: EP Cube 2.0.
| Feature | Stated | Source |
|---|---|---|
| Chemistry | LFP Not yet checked | Spec sheet, at p.2 / Features, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Coupling | AC or DC Not yet checked | Spec sheet, at p.2 / Features, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Built-in inverter | Yes Not yet checked | Spec sheet, at p.2 / Features, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Enclosure rating | NEMA 4X Not yet checked | Spec sheet, at p.3 / General parameters, retrieved Sep 25, 2026, dated Aug 14, 2025 |
| Grid voltage | 208 or 240 V AC Not yet checked | Spec sheet, at p.3 / Hybrid inverter, retrieved Sep 25, 2026, dated Aug 14, 2025 |
Government and program lists
This product is on none of the lists this site reads.
Installs
No install count this site publishes covers this product.
Recalls and safety notices
No notice in the recall sources this site reads is matched to this product. That is not a safety finding. See every recall notice.
- UL 9540 listed: Yes (EP Cube 2.0)Spec sheet, at p.3 / Safety & compliance, retrieved Sep 25, 2026, dated Aug 14, 2025 Not yet checked
- UL 9540A tested: Yes (EP Cube 2.0)
The maker states the listing or test. The listing body's records have not been checked.
Backup hours from your load
This battery has no maker-stated usable energy on this site.