FoxESS
FoxESS CQ7-M High Voltage Storage Battery 7.02 kWh LiFePO4 with BMS
FoxESS CQ7-M High Voltage Storage Battery 7.02 kWh LiFePO4 with BMS
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Businesses and non-Italian private customers: purchase with 22% VAT. The 10% rate is reserved for private customers resident in Italy — find out more.
Foreign companies entitled to 0% VAT: please write to info@litio.store.
Delivery in 10-20 daysStorage batteryHigh voltage7.02 kWhFoxESS
FoxESS CQ7-M High Voltage Storage Battery 7.02 kWh LiFePO4 with BMS
The FoxESS CQ7-M is the master module of the CQ7 series, the high voltage storage system from Fox ESS. Unlike the CQ7-S slave module, the CQ7-M integrates the control unit and the system BMS (recognisable by its 6 status LEDs compared with the single LED of the slave) and is therefore mandatory in every tower: one CQ7-M can be paired with a maximum of 13 CQ7-S modules connected in series, for a total of 14 modules and up to 98.28 kWh of energy.
Each module offers 7.02 kWh of nominal energy with LiFePO4 cells, a nominal voltage of 115.2 V and a depth of discharge of 90%. The recommended charge and discharge current is 50 A, with a maximum of 80 A and a peak of 110 A for 60 seconds. The system is compatible with the Fox ESS single-phase H1-G2, AC1-G2, KH and KA inverters and the three-phase H3 Smart, H3 Pro and H3 Plus inverters, communicates via CAN and is IP65 certified for outdoor installation as well, with natural convection cooling and built-in fire protection.
Key features
Master module with BMSIt integrates the control unit and the BMS of the entire tower: it is the module every CQ7 configuration starts from.
Up to 98.28 kWhOne CQ7-M can manage up to 13 CQ7-S slave modules in series, for 14 modules in total.
Safe LiFePO4 cellsLithium iron phosphate chemistry, thermally stable, with fire protection built into the module.
High powerMaximum discharge current of 80 A with a peak of 110 A for 60 seconds, equal to about 9.2 kW per module.
IP65 for outdoorsIP65 protection rating and natural convection cooling, installable up to an altitude of 3,000 m.
Optional warm-up functionThe versions with heating extend operation down to -25 °C in both charge and discharge.
Technical specifications
| Feature | Value |
|---|---|
| Product code | CQ7-M |
| Model | Fox ESS CQ7-M |
| Type | Master battery module with system BMS |
| Chemistry | LiFePO4 (LFP) |
| Nominal energy | 7.02 kWh per module |
| Usable energy | Approx. 6.32 kWh (90% DoD) |
| Rated voltage | 115.2 V (single module) |
| Voltage range | 104.4 - 919.8 V (depending on the number of modules) |
| Capacity | Not declared in the datasheet (approx. 61 Ah from 7.02 kWh / 115.2 V) |
| Max charge current | 80 A (50 A recommended) |
| Max discharge current | 80 A (50 A recommended); peak 110 A for 60 s |
| Charge/discharge power | Approx. 9.22 kW per module at maximum current |
| Depth of discharge (DoD) | 90% |
| Cycle efficiency | > 95% (25 °C, charge/discharge 0.3 C) |
| Modules per tower / scalability | 1 CQ7-M + max 13 CQ7-S, up to 14 modules in series (98.28 kWh) |
| Compatible inverters | Fox ESS H1-G2, AC1-G2, KH and KA series (single-phase); H3 Smart, H3 Pro, H3 Plus (three-phase) |
| Communication | CAN |
| Protection rating | IP65 |
| Operating temperature | Charge 0 ~ 55 °C, discharge -10 ~ 55 °C (-25 ~ 55 °C with warm-up function) |
| Storage temperature | -10 ~ 50 °C |
| Maximum altitude | 3.000 m |
| Cooling | Natural convection |
| Dimensions | 660 x 360 x 420 mm (single module) |
| Weight | 105,5 kg |
| Fire protection | Integrated in the module |
| Certifications | IEC 62619, IEC 61000-6-1/2/3/4, UN38.3 |
| Cycle life | Not declared in the datasheet |
| Warranty | Not declared in the datasheet (refer to the Fox ESS Battery Warranty Policy) |
Documentation
PDFDatasheet CQ7-MOfficial manufacturer documentPlease check compatibility with your inverter and with the other modules in the tower before ordering. Installation must be carried out by qualified personnel in accordance with the applicable standards.