System Overview
The EP11 is a high-performance, scalable high-voltage battery storage system designed for modern homes and small commercial applications. It offers maximum flexibility for a broad range of energy storage scenarios.
Key Features
Scalable Capacity
Expand up to 41.6 kWh with maximum of 4 units in parallel configuration.
High Efficiency
90% Depth of Discharge (DoD) for excellent usable capacity and energy utilization.
Flexible Installation
Both floor or wall mounting options available to suit various installation environments.
Compact Design
Space-efficient design for easy and fast installation in limited spaces.
Robust Protection
IP65 protection level suitable for both indoor and outdoor use.
High Performance
High voltage design and high efficiency for superior system performance and reliability.
Technical Specifications
Electrical Characteristics
| Parameter | Value |
|---|---|
| Compatible PCS | All series of H1, KH, H3, H3-Pro, US |
| Battery Type | LiFePO4 prismatic cell |
| Nominal Energy | 10.36 kWh |
| Nominal Voltage | 384 V |
| Operating Voltage | 348 – 438 V |
| Max. Charge/Discharge Current | 27 A |
| Recommended Charge Current | 13.5 A |
| Peak Discharge Current | 65 @ 60 s |
| Peak Charge Current | 32.4 @ 5 s |
| Round-Trip Efficiency | ≥ 95% |
| Depth of Discharge (DoD) | 90% |
| Cycle Life | ≥ 24,000 cycles |
| Communication | CAN |
| Display | LED × 5 |
Operating Conditions
| Parameter | Value |
|---|---|
| Installation Location | Indoor / Outdoor |
| Operating Temperature (Charge) | 0 – 55 °C |
| Storage / Discharge Temperature | −10 – 55 °C |
| Cooling Method | Natural convection |
| Humidity | 5 – 95% (non-condensing) |
| Altitude | Max. 2,000 m |
Mechanical Characteristics
| Parameter | Value |
|---|---|
| Product Size (W × H × D) | 710 × 625 × 149 mm |
| Weight | 99 ± 2 kg |
Certifications & Standards
| Parameter | Value |
|---|---|
| Safety | IEC 62619 |
| EMC | EN IEC 61000-6-1 / 61000-6-3 |
| Transportation | UN38.3 |
| Ingress Protection | IP65 |
Package Configuration
Fox ESS 5kW 1P H1-G2 41.44kWh BESS (EP11 Package 3)
-
Fox ESS 5kW Single Phase Hybrid Inverter (H1-5.0-E-G2 DC WIFI-CT AU) - High-efficiency power conversion system
-
4 × EP11 High Voltage Battery Modules - 10.36kWh each, total 41.44kWh capacity
-
Fox ESS High Voltage Junction Box – 50A - Safe and reliable electrical connection
Package Configuration
Fox ESS 10kW 1P 41.44kWh BESS (EP11 Package 6)
-
Fox ESS 10kW Single Phase Hybrid Inverter (KH10) - High-power conversion system for larger installations
-
4 × EP11 High Voltage Battery Modules - 10.36kWh each, total 41.44kWh capacity
-
Fox ESS High Voltage Junction Box – 50A - Safe and reliable electrical connection
-
CT Clamp - For accurate energy monitoring and measurement


















