Fox ESS EP6 Plus 5.76kWh High Voltage Battery

Scalable High-Voltage Energy Storage with Integrated Self-Heating Technology

The Fox ESS EP6 Plus is a premium high-voltage lithium iron phosphate (LiFePO₄) battery designed for residential and commercial energy storage applications.

Offering 5.76kWh of usable storage capacity per module, the EP6 Plus delivers outstanding performance, exceptional cycle life, and flexible scalability. Systems can be expanded up to 23.04kWh per battery port by connecting up to four EP6 Plus batteries in parallel using the Fox ESS 4-Way Junction Box.

A key feature of the EP6 Plus is its integrated self-heating technology, allowing the battery to maintain optimal charging and discharging performance even in low-temperature environments.

Compatible with the full range of Fox ESS single-phase and three-phase hybrid and AC-coupled inverter systems, the EP6 Plus provides a flexible and future-proof energy storage solution.

Available from Solar Renewable Hub with nationwide delivery and dedicated technical support.

Key Features

• 5.76kWh High Voltage Battery Module
• Premium LiFePO₄ (LFP) Cell Technology
• Integrated Self-Heating Function
• Up to 23.04kWh Expansion Per Battery Port
• Compatible with Fox ESS Hybrid & AC Inverters
• High Round-Trip Efficiency >95%
• 90% Depth of Discharge
• IP65 Rated Enclosure
• Wall or Floor Mounted Installation
• 10-Year Manufacturer Warranty

Flexible & Scalable Storage

The EP6 Plus has been designed to grow alongside the customer's energy requirements.

Using the Fox ESS 4-Way Junction Box, up to four EP6 Plus batteries can be connected in parallel on a single battery input, increasing total storage capacity to 23.04kWh.

Expansion Options

• 1 Battery = 5.76kWh
• 2 Batteries = 11.52kWh
• 3 Batteries = 17.28kWh
• 4 Batteries = 23.04kWh

Perfect for:

• Residential battery storage
• Solar self-consumption
• Time-of-use tariff optimisation
• Backup power applications
• Commercial energy storage

Integrated Self-Heating Technology

The EP6 Plus includes an integrated battery heating system designed to improve performance in colder climates.

Benefits

• Improved winter performance
• Optimised charging at low temperatures
• Enhanced battery longevity
• Greater year-round reliability
• Ideal for external installations

Advanced LiFePO₄ Battery Technology

Utilising Lithium Iron Phosphate (LFP) chemistry, the EP6 Plus delivers exceptional safety, longevity, and performance.

Benefits

• High cycle life
• Enhanced thermal stability
• Increased safety
• Improved reliability
• Long-term performance retention

Outstanding Efficiency

Designed for maximum energy utilisation, the EP6 Plus achieves excellent operating efficiency.

Performance Highlights

• 90% Depth of Discharge (DoD)

• 
  

  95% Round-Trip Efficiency

• High Voltage Architecture
• Reduced system losses
• Faster charging and discharging performance

Technical Specifications

Battery Specifications

• Battery Chemistry: LiFePO₄ (LFP)
• Nominal Energy Capacity: 5.76kWh
• Operating Voltage Range: 174V – 219V
• Maximum Charge Current: 30A
• Maximum Discharge Current: 30A
• Depth of Discharge (DoD): 90%
• Round-Trip Efficiency: >95%
• Scalability: Up to 4 Units in Parallel

General

• Weight: 51kg
• Dimensions: 380 × 640 × 185mm
• Protection Rating: IP65
• Operating Temperature Range: -25°C to +55°C
• Humidity Range: 5% – 95% (Non-Condensing)

Compatibility

Compatible with:

• Fox ESS H1 G2 Hybrid Inverters
• Fox ESS KH Hybrid Inverters
• Fox ESS Three-Phase Hybrid Inverters
• Fox ESS AC-Coupled Inverters

Please refer to Fox ESS battery sizing guidelines for minimum and maximum battery quantities compatible with each inverter model.

Warranty

• Manufacturer Warranty: 10 Years*

*Subject to Fox ESS warranty terms and conditions.

Perfect For

• Residential Solar & Battery Storage
• Smart Energy Tariffs
• Backup Power Systems
• Energy Independence
• New Build Developments
• Retrofit Battery Installations
• Commercial Energy Storage

Why Choose the Fox ESS EP6 Plus?

The Fox ESS EP6 Plus combines scalable high-voltage energy storage, industry-leading LiFePO₄ technology, and integrated self-heating functionality to deliver a reliable and future-proof battery storage solution for modern solar installations.

Why Buy From Solar Renewable Hub?

✔ Nationwide Delivery
✔ Dedicated Technical Support
✔ Trade & Credit Accounts Available
✔ Renewable Energy Specialists
✔ Installer Design & Project Support

Order your Fox ESS EP6 Plus 5.76kWh High Voltage Battery today from Solar Renewable Hub.

Downloads

Fox ESS EP6 Data Sheet