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Fox ECS 2.88kWh HV Battery (Master) V2.0 Connector B
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Fox ECS 2.88kWh HV Battery (Master) V2.0 Connector B
FE-HV-ECM-2900 | 2.88kWh high-voltage LiFePO₄ master battery module (Connector B) for Fox ECS2900 stacks, scalable up to 20.16kWh with additional slave batteries.
Key Features
- Master module for the Fox ECS2900 high-voltage battery system (V2, Connector B).
- 2.88kWh nominal capacity with 90% depth of discharge for high usable energy per module.
- Scalable from 2.88kWh to 20.16kWh (1× master + up to 6× ECS2900 slave batteries).
- High-voltage LiFePO₄ chemistry for long cycle life, safety and wide operating temperature tolerance.
- Modular “Energy Cube” stack design: plug-and-play, quick to install and easy to expand.
- CAN/RS485 communication with Fox ESS HV hybrid inverters and AC chargers.
- V2 Connector B variant – must be matched with V2 Connector B slaves in existing stacks.
Battery Specifications (Master Module)
| Battery Type | Lithium Iron Phosphate (LiFePO₄) |
| Nominal Energy | 2.88kWh (2880Wh) |
| Usable Capacity (90% DoD) | ≈ 2.59kWh |
| Nominal Voltage (single module) | ≈ 52V |
| Depth of Discharge | 90% |
| Recommended Discharge Current | 25A |
| Max Charge/Discharge Current | 50A |
| Peak Discharge Current | 65A for 30 seconds |
| Round-trip Efficiency | >95% |
| Cycle Life | >6000 cycles at 90% DoD, 25°C |
System Configuration (Master + Slaves)
| Minimum Stack | 1× Master + 1× Slave (5.76kWh nominal) |
| Maximum Stack | 1× Master + 6× Slaves (20.16kWh nominal) |
| Nominal Stack Voltage | 115.2V to 403.2V (1–7 modules) |
| Operating Voltage Range | 97.2–459.9V (1–7 modules) |
| Communication | CAN / RS485 to inverter and between modules |
Mechanical & Environmental
| Dimensions (W × H × D) | ≈ 570 × 350 × 380 mm (single module) |
| Weight | ≈ 34.7 kg |
| Ingress Protection | IP65 (indoor or outdoor install) |
| Operating Temperature | -10°C to +55°C |
| Storage Temperature | -20°C to +55°C |
| Cooling | Natural convection |
| Installation | Floor‑standing stack with interlocking modules |
Compatibility & Warranty
- Compatible with Fox ESS HV hybrid inverters (H1/H3) and AC chargers (AC1/AC3) that support ECS2900 batteries.
- V2 Connector B – new modules added to an existing stack must be the same version and connector type.
- Standard 5‑year warranty extendable to 12 years upon registration with Fox ESS (subject to regional terms).
MPN: FE-HV-ECM-2900
Model: Fox ECS2900 2.88kWh High Voltage Battery (Master) V2.0 Connector B
Compact, modular high‑voltage master battery ideal as the core of a scalable Fox ECS2900 storage system from 5.76kWh up to 20.16kWh.
- Type Solar
- Vendor Fox ESS
- SKU FE-HV-ECM-2900
Please note: Delivery times may vary depending on location, with specific details outlined below.
Standard Delivery
UK Mainland
- Delivery Time: 2–4 working days
- Free Delivery on most orders
- £4.95 for small items
- £69 for Solar Panels, Batteries and other specialized large items delivery
Express Delivery
UK Mainland
- Delivery Time: 1–3 working days
- Free Delivery
- £4.95 delivery for small items
Channel Islands
- Postcodes Covered: GY*, IM*, JE*
- Minimum Order: £50
- Delivery Fee: £70
Northern Ireland, Offshore Territories & Scottish Islands
- Postcodes Covered: BT*, HS*, KW, ZE
- Minimum Order: £50
- Delivery Fee: £35
Same Day Delivery
- Eligible Postcodes:
E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW* - Minimum Order: £50
- Same Day Delivery Fee: £70
- Special Requests or Locations:
For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.
Collections
Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.
Collection address: 284 Water Rd, Unit 9, London, HA0 1HX
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