Alpha ESS SMILE5 13.3 kWh vs Fox ESS EP11
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Quick Answer
The Fox ESS EP11 wins on value at roughly A$845 per unit of capacity ($/kWh), while the Alpha ESS SMILE5 13.3 kWh may justify its premium on specs, ecosystem or warranty. Pick the Fox ESS EP11 for budget-first buying; pick the Alpha ESS SMILE5 13.3 kWh if the differences in the table below match your home's needs.
| Spec | Alpha ESS SMILE5 13.3 kWh | Fox ESS EP11 |
|---|---|---|
| Usable capacity | 12.3 kWh | 10.36 kWh |
| Continuous power | 5 kW | 5.5 kW |
| Chemistry | LFP | LFP |
| Warranty | 10 years | 10 years |
| Modular | Yes | Yes |
| Backup capable | Yes | Yes |
| Installed price | A$10,000–A$12,000 | A$8,000–A$9,500 |
| Price per usable kWh | A$894 | A$845 |
Read the full reviews: Alpha ESS SMILE5 13.3 kWh · Fox ESS EP11