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Fox ESS EP6 Plus 5.76kWh Battery with Heating Element
#3: 7429 Storage Systems - Li-ion Battery Pack
FOX EP6 Data Sheet
FOX EP6 User Manual
FOX Warranty
Scalable Lithium Iron Phosphate Battery for Hybrid & AC Systems - Compact, efficient, and built for UK weather conditions
The Fox ESS EP6 Plus is a high-performance LFP (LiFePO₄) battery designed for high-voltage energy storage systems. With a nominal capacity of 5.76kWh, it’s ideal for homeowners and small commercial users looking to enhance solar energy storage, backup power, or grid independence.
This modular battery can be expanded up to 23.04kWh using up to four units in parallel, connected via the Fox ESS 4-way junction box. Thanks to its built-in self-heating function, the EP6 Plus delivers stable charging and discharging performance even in cold UK climates
Key Features
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5.76kWh nominal energy capacity
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Expandable to 23.04kWh (up to 4 batteries per inverter port)
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Self-heating technology for operation in low temperatures
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>95% round-trip efficiency
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Compact and IP65-rated for indoor or outdoor installation
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Compatible with all Fox ESS hybrid and AC inverters
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10-Year Manufacturer Warranty
Technical Specifications
Battery Type: LFP (LiFePO₄)
Nominal Energy: 5.76kWh
Operating Voltage: 174V – 213V
Max Charge Current: 30 A
Max Discharge Current: 30 A
Depth of Discharge: 90%
Round-Trip Efficiency: >95%
Scalability: Max 4 units in parallel
Weight: 51kg
Dimensions: 380 x 640 x 185mm
IP Rating: IP65
Operating Temp: -25°C to 55°C
Inverter Compatibility - Works Seamlessly With:
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Fox ESS 1-Phase Hybrid Inverters
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Fox ESS 3-Phase Hybrid Inverters
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Fox ESS AC-Coupled Inverters
Combine the EP6 Plus with any compatible Fox ESS inverter for a high-efficiency, smart energy system tailored to your power needs.
Ideal For:
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UK homes with solar PV systems
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Energy storage in cold climates
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EV charger support
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Backup power and off-grid setups
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Small commercial solar systems
What’s in the Box?
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1x Fox ESS EP6 Plus Battery (5.76kWh)
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Installation & user manuals
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Mounting hardware (if required)
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Warranty registration documents
Why Choose the Fox ESS EP6 Plus?
With its compact design, expandable capacity, and cold-weather resilience, the EP6 Plus is a flexible and future-proof energy storage solution. Its compatibility with the full Fox ESS inverter range makes it a great choice for new installations or system upgrades.
