Fox ESS · For your home
CQ7 High Voltage Battery
A stackable high-voltage battery, from 14.04 kWh to 98.28 kWh in 7.02 kWh modules.
- Capacity per stack
- 14.04–98.28 kWh
- Module size
- 7.02 kWh
- Depth of discharge
- 90%
- Protection
- IP65
Choose your configuration.
| Model | Modules | Capacity | Voltage | Height |
|---|---|---|---|---|
| CQ7-80-L2 | 2 | 14.04 kWh | 115.2 V | 420 mm |
| CQ7-80-L3 | 3 | 21.06 kWh | 172.8 V | 575 mm |
| CQ7-80-L4 | 4 | 28.08 kWh | 230.4 V | 730 mm |
| CQ7-80-L5 | 5 | 35.10 kWh | 288.0 V | 885 mm |
| CQ7-80-L6 | 6 | 42.12 kWh | 345.6 V | 1,040 mm |
| CQ7-80-L7 | 7 | 49.14 kWh | 403.2 V | 1,195 mm |
| CQ7-80-L8 | 8 | 56.16 kWh | 460.8 V | 1,350 mm |
| CQ7-80-L9 | 9 | 63.18 kWh | 518.4 V | 1,505 mm |
| CQ7-80-L10 | 10 | 70.20 kWh | 576.0 V | 1,660 mm |
| CQ7-80-L11 | 11 | 77.22 kWh | 633.6 V | 1,815 mm |
| CQ7-80-L12 | 12 | 84.24 kWh | 691.2 V | 1,970 mm |
| CQ7-80-L13 | 13 | 91.26 kWh | 748.8 V | 2,125 mm |
| CQ7-80-L14 | 14 | 98.28 kWh | 806.4 V | 2,280 mm |
Nominal capacity and voltage. Each stack is one CQ7-M-80 module plus 1 to 13 CQ7-S-80 modules, up to 14 in series, on a 660 × 360 mm footprint. Weight runs from 105.5 kg to 711.5 kg (±5%). The datasheet states a 90% depth of discharge and does not list usable capacity separately.
- Charging temperature
- 0 to 55°C
- Discharging temperature
- −10 to 55°C
- Round-trip efficiency
- Above 95%
- Certificates
- IEC 62619, UN38.3
An optional warm-up function extends charging and discharging down to −25°C. Efficiency is stated at 25°C and 0.3C. The datasheet does not state a warranty term; confirm inverter compatibility, Australian approval and warranty conditions in your quote.
Choose the complete system.
We’ll discuss your energy use, site requirements and backup priorities, then confirm the equipment and configuration. Backup capability depends on compatible equipment and the circuits included in your installation.
Specifications: Fox ESS CQ7 datasheet V1.3 (26 May 2026), pages 1–2. Manufacturer claims; subject to model and warranty conditions.
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