Discover the full range of FOX ESS hybrid inverters and battery packs, available for supply only or with professional installation. Whether you’re looking for a simple supply package or a complete installed solution, we provide flexible options to suit both residential and commercial projects.
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Fox ESS Cube EQ5000 4.92kWh HV Battery (Slave)
£1,130.00 + VAT
Fox EQ5000, 4.92kWh HV Battery (Slave)
#2: FE-HV-EQS-5000 Storage Systems - Li-ion Battery Pack
Fox EQ5000 Datasheet
Fox Product Compatibility
Fox EQ5000 Warranty
🔋 Fox ESS EQS5000 High Voltage Battery Slave – 4.92kWh Modular Storage System
The Fox ESS EQS5000 High Voltage Battery Slave is a modular lithium-ion battery designed for use as part of the Fox ESS EQ high-voltage battery storage system. The scalable design allows compatible battery modules to be added to increase total energy storage capacity as requirements grow.
The EQS5000 works alongside a compatible Fox ESS EQ master battery module and forms part of a flexible battery stack with a maximum system capacity of up to 29.52kWh.
Important: The EQS5000 is a slave battery module and cannot operate independently. A compatible Fox ESS EQ master module is required.
Modular & Scalable Battery Storage
Expandable Up to 29.52kWh
The Fox ESS EQ battery system uses a modular design that allows compatible battery modules to be connected together to increase total energy storage capacity.
A compatible battery stack requires:
Minimum configuration: 2 modules
1 × Master battery
1 × Slave battery
Maximum configuration: 6 modules
1 × Master battery
Up to 5 × Slave batteries
Maximum system capacity: Up to 29.52kWh
This flexible configuration allows the battery storage system to be expanded as energy requirements increase.
Easy Plug-and-Play Installation
The modular design supports straightforward installation and system expansion, helping installers save time when assembling compatible Fox ESS EQ battery stacks.
⚡ Battery Performance & Energy Storage
90% Depth of Discharge
The Fox ESS EQS5000 supports a 90% depth of discharge (DoD), allowing a significant proportion of stored energy to be utilised within a compatible battery system.
Charging & Discharging Performance
The battery module is designed to support reliable energy storage and delivery when installed as part of a compatible Fox ESS EQ system.
Performance specifications include:
Continuous discharge rate: 1,440W
Maximum discharge rate (5 minutes): 2,880W
Surge discharge rate (15 seconds): 3,000W
Maximum charge rate (5 minutes): 2,880W
Communication & System Integration
CAN & RS485 Communication
The EQS5000 supports CAN and RS485 communication, allowing compatible battery modules to communicate within the wider energy storage system.
Designed for High-Voltage Battery Systems
The EQ battery range is designed as a scalable energy storage platform, providing flexibility for installations that may require additional battery capacity in the future.
Adding Batteries to an Existing EQ Stack
Check Module Compatibility Before Expansion
If you are adding an EQS5000 battery module to an existing Fox ESS EQ battery stack, it is important to confirm that the new battery is compatible with the existing modules.
Before installation, contact your technical support representative through the relevant portal and provide a photograph of the existing battery stack to help determine compatibility.
Heated & Non-Heated Battery Compatibility
Mixed Battery Configurations
Heated and non-heated Fox ESS EQ battery versions can be used together within the same compatible battery system.
For example:
A non-heated master module can be connected to heated slave modules.
A heated master module can be connected to non-heated slave modules.
However, if any battery module within the system does not support heating, the heating function will be disabled for the entire battery system.
⚠️ Warranty Registration Information
Activate Your 10-Year Product Warranty
The Fox ESS installation must be registered online to activate the 10-year product warranty.
Please refer to the applicable Fox ESS warranty documentation and registration requirements for full warranty terms, conditions and eligibility.
Technical Specifications
Product Details
Manufacturer: Fox ESS
Product Range: EQ High Voltage Battery
Product Type: Slave Battery Module
Part Number: FE-HV-EQS-5000
Supplier Part Number: EQ5000-S
Battery Chemistry: Lithium-Ion
Weight: 46.6kg
Length: 0.66m
Electrical Specifications
Nominal Energy: 2,880Wh
Depth of Discharge: 90%
Voltage: 52V
Continuous Discharge Rate: 1,440W
Maximum Discharge Rate (5 Minutes): 2,880W
Surge Discharge Rate (15 Seconds): 3,000W
Maximum Charge Rate (5 Minutes): 2,880W
Why Choose the Fox ESS EQS5000 Battery Slave?
Modular 4.92kWh-class battery storage system
Designed for use with a compatible Fox ESS EQ master module
Expandable battery stack up to 29.52kWh
Supports up to 6 modules per battery stack
90% depth of discharge
CAN and RS485 communication
Plug-and-play modular installation
Supports compatible heated and non-heated module configurations
Suitable for expanding compatible Fox ESS EQ energy storage systems
10-year product warranty available following eligible online registration
Fox ESS | Pro-HC G2 3ph Backup Box
£746.00 + VAT
Fox ESS | Pro-HC G2 3ph Backup Box
#3: 8593 Storage Systems | Management Solution
Fox EPS 1ph Backup Box Datasheet
The Fox ESS EPS Box Pro-HC G2 is a three-phase backup box designed for compatible Fox ESS energy storage systems. It automatically switches the system between on-grid and off-grid operation during a power cut, helping maintain power to connected backup loads.
The box is rated for up to 63A per phase. Actual backup output depends on the inverter, battery system and installation configuration.
Compatible Fox ESS Inverters
H3 Pro
AIO-H3
H3 Smart
PQ3
PQ3-Plus
Key Features
Automatic grid-to-backup changeover
Three-phase operation
Up to 63A per phase rating
IP65-rated enclosure
Designed for compatible Fox ESS inverter systems
Technical Specifications
Specification
Details
Maximum current
63A per phase
IP rating
IP65
Dimensions (W × H × D)
420 × 550 × 139mm
Weight
19.44kg