Fox ESS EP
Fox ESS states 10.36 kWh nominal energy (Fox ESS EP11).
Warranty terms: 10 years (Fox ESS EP series, Europe); warranted throughput: 16.59 MWh (Fox ESS EP5, Europe); warranted throughput: 19.2 MWh (Fox ESS EP5, Australia); warranted throughput: 33.15 MWh (Fox ESS EP11, Europe); warranted throughput: 38.4 MWh (Fox ESS EP11, Australia); capacity at warranty end: 70% (Fox ESS EP series, Europe).
Brand: Fox ESS
Published figures
No figures have been collected for usable energy, continuous power, motor-start current, and units per system.
| Figure | Value | Publisher | Source |
|---|---|---|---|
| Nominal energy, Fox ESS EP11 | 10.36 kWh | Manufacturer Not yet checked | Spec sheet, at p2 / Electrical Characteristics, retrieved Sep 23, 2026, dated Jul 10, 2026 |
| Round-trip efficiency, Fox ESS EP11 | 95% | Manufacturer Not yet checked | Spec sheet, at p2 / Electrical Characteristics, retrieved Sep 23, 2026, dated Jul 10, 2026 |
| Lowest operating temperature, Fox ESS EP11 (discharging) | −10°C | Manufacturer Not yet checked | Spec sheet, at p2 / Operating Conditions, retrieved Sep 23, 2026, dated Jul 10, 2026 |
| Lowest operating temperature, Fox ESS EP11 (charging) | 0°C | Manufacturer Not yet checked | Spec sheet, at p2 / Operating Conditions, retrieved Sep 23, 2026, dated Jul 10, 2026 |
| Lowest operating temperature, Fox ESS EP series | −10°C | Manufacturer Not yet checked | Warranty, at p2 / Preconditions, retrieved Sep 23, 2026, dated Jul 4, 2025 |
| Highest operating temperature, Fox ESS EP11 (charging) | 55°C | Manufacturer Not yet checked | Spec sheet, at p2 / Operating Conditions, retrieved Sep 23, 2026, dated Jul 10, 2026 |
| Highest operating temperature, Fox ESS EP11 (discharging) | 55°C | Manufacturer Not yet checked | Spec sheet, at p2 / Operating Conditions, retrieved Sep 23, 2026, dated Jul 10, 2026 |
| Highest operating temperature, Fox ESS EP series | 50°C | Manufacturer Not yet checked | Warranty, at p2 / Preconditions, retrieved Sep 23, 2026, dated Jul 4, 2025 |
See it on the home battery chart
Stated temperature limits
Stated operating range: 14°F (−10°C) to 122°F (50°C), Fox ESS EP series.
Stated charging range: 32°F (0°C) to 131°F (55°C), Fox ESS EP11.
Stated discharging range: 14°F (−10°C) to 131°F (55°C), Fox ESS EP11.
Warranty terms
| Term | Figure | Document |
|---|---|---|
| Warranty, Europe | Fox ESS EP series: 10 years | Warranty, at p2 / 5. Performance Warranty Terms, retrieved Sep 23, 2026, dated Jul 4, 2025 |
| Warranted throughput, Europe | Fox ESS EP5: 16.59 MWh | Warranty, at p3 / throughput table, retrieved Sep 23, 2026, dated Jul 4, 2025 |
| Warranted throughput, Australia | Fox ESS EP5: 19.2 MWh | Warranty, at p2 / throughput table, retrieved Sep 23, 2026, dated Jun 12, 2026 |
| Warranted throughput, Europe | Fox ESS EP11: 33.15 MWh | Warranty, at p3 / throughput table, retrieved Sep 23, 2026, dated Jul 4, 2025 |
| Warranted throughput, Australia | Fox ESS EP11: 38.4 MWh | Warranty, at p2 / throughput table, retrieved Sep 23, 2026, dated Jun 12, 2026 |
| Capacity at warranty end, Europe | Fox ESS EP series: 70% | Warranty, at p2 / 5. Performance Warranty Terms, retrieved Sep 23, 2026, dated Jul 4, 2025 |
Features the manufacturer states
Configuration: Fox ESS EP11.
| Feature | Stated | Source |
|---|---|---|
| Chemistry | LFP Not yet checked | Spec sheet, at p2 / Electrical Characteristics, retrieved Sep 23, 2026, dated Jul 10, 2026 |
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.
Backup hours from your load
This battery has no maker-stated usable energy on this site.