Sigenergy SigenStor 8 kWh vs Alpha ESS SMILE5 13.3 kWh
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Quick Answer
The Alpha ESS SMILE5 13.3 kWh wins on value at roughly A$894 per unit of capacity ($/kWh), while the Sigenergy SigenStor 8 kWh may justify its premium on specs, ecosystem or warranty. Pick the Alpha ESS SMILE5 13.3 kWh for budget-first buying; pick the Sigenergy SigenStor 8 kWh if the differences in the table below match your home's needs.
| Spec | Sigenergy SigenStor 8 kWh | Alpha ESS SMILE5 13.3 kWh |
|---|---|---|
| Usable capacity | 8.06 kWh | 12.3 kWh |
| Continuous power | 6 kW | 5 kW |
| Chemistry | LFP | LFP |
| Warranty | 10 years | 10 years |
| Modular | Yes | Yes |
| Backup capable | Yes | Yes |
| Installed price | A$9,000–A$11,000 | A$10,000–A$12,000 |
| Price per usable kWh | A$1241 | A$894 |
Read the full reviews: Sigenergy SigenStor 8 kWh · Alpha ESS SMILE5 13.3 kWh