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ECS Series
The Fox ESS ECS series is a compact, high-voltage modular battery system designed for residential solar installations. With 2.88kWh modules configurable from 2.88kWh to 23kWh, it offers excellent flexibility and competitive pricing. Known for reliability and smooth integration with Fox ESS hybrid inverters.
Modular system built from 2.88 kWh modules. Pick the stack size that matches your usage.
| Capacity | Modules | Power | Weight | Est. Price | $/kWh |
|---|---|---|---|---|---|
| 2.88 kWh | 1 modules | - | 37 kg | $2,400 | $833 |
| 5.76 kWh | 2 modules | - | 74 kg | $4,600 | $799 |
| 8.64 kWh | 3 modules | - | 111 kg | $6,600 | $764 |
| 11.52 kWh | 4 modules | - | 148 kg | $8,400 | $729 |
| 14.4 kWhPopular | 5 modules | - | 185 kg | $10,200 | $708 |
| 17.28 kWh | 6 modules | - | 222 kg | $11,800 | $683 |
| 20.16 kWh | 7 modules | - | 259 kg | $13,400 | $665 |
| 23.04 kWh | 8 modules | - | 296 kg | $14,800 | $642 |
Price per kWh runs from $642 to $833 across this range. Larger capacities usually price lower per kWh. Figures are estimates and vary by installer.
Chemistry
LFP
Round-trip Efficiency
95.0%
Depth of Discharge
90%
IP Rating
IP65
Operating Temp
-10°C to 50°C
System Type
dc coupled
Warranty Period
10 years
Cycle Warranty
6,000 cycles
Throughput Warranty
40 MWh
Quotes come from verified Perth installers. Compare this series against your existing quote, or email us with specific questions.