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Fox EP6 5.76kWh Li-ion Battery with Heater – Fox ESS Solar Battery


Enhanced Performance with the Fox EP6 5.76kWh High Voltage Battery – Foxโ€™s first slimline, wall-mountable storage solution with built-in self-heating technology for reliable performance in low temperatures.

The EP6 offers 5.76kWh capacity, 90% Depth of Discharge, and a 10-year warranty. With the Fox Junction Box, you can scale to 23.04kWh (4 units), or up to 46.08kWh when paired with the Fox H3 PRO hybrid inverter.

Note: A Junction Box is required when installing 2-4 EP6 batteries.

Note: Fox EP5 and EP6 batteries can be mixed in the same system, as long as all batteries are updated to firmware V1.010 or newer. For best performance, we still recommend using the same model where possible.


System Configuration Limits

Maximum Capacity:

4x EP6 Batteries = 23.04kWh
8x EP6 Batteries = 46.08kWh (with Fox H3 PRO only)


Key Features of the Fox EP6 5.76kWh Battery:

  • 5.76kWh capacity per battery
  • Self-heating element for improved low-temperature performance
  • 90% Depth of Discharge (DoD)
  • Scalable to 23.04kWh (4 units) / 46.08kWh (with H3 PRO)
  • Slimline design โ€” only 185mm depth, wall or floor-mountable
  • IP65 Rated for indoor/outdoor use
  • CAN / RS485 communication
  • Wide temperature tolerance
  • High voltage, high efficiency system
  • 10-Year Warranty
  • 6000+ Life Cycles

Fox ESS Integration

Axle Energy logo
Earn extra from your Fox ESS battery

Axle Energy runs a free Virtual Power Plant (VPP) that works with Fox ESS batteries and inverters. It occasionally exports energy from your system to support the grid - and pays you for taking part.

  • ยฃ25 signup bonus when you join via our link
  • ยฃ10/month minimum earnings guaranteed
  • ยฃ1 per kWh exported during events
Earn ยฃ10/month & join the Axle VPP

Octopus Energy
Switch to the UKโ€™s most awarded energy supplier
Switch to Octopus Energy and youโ€™ll get ยฃ50 credit once your switch is complete. Existing customer? Find out how you can benefit too. T&Cs apply (only one switching offer per household).
Get ยฃ50 Credit


Frequently Asked Questions

Frequently Asked Questions

What is the Fox EP6 battery?
The EP6 is the latest li-ion battery from Fox ESS’s EP range. It is a wall-mounted, 5.76kWh lithium battery with built-in heating technology. This battery is ideal for domestic or commercial use thanks to its smart design, high efficiency and vast scalability.
How many EP6 batteries can I connect?
Up to 4 units (23.04kWh) with the Junction Box, or 8 units (46.08kWh) when paired with the Fox H3 PRO inverter.
Is the Junction Box always required?
No. The Junction Box is only needed if more than one EP6 battery is installed in the same system.
Can the EP6 be wall-mounted?
Yes. The EP6 is Foxโ€™s first slimline wall-mountable battery, with a depth of just 185mm. It can also be floor-mounted.
Can I mix EP5 and EP6 batteries?
Yes. EP5 and EP6 batteries can now be paralleled in the same system. If you are expanding an existing EP5 setup, ensure the batteries are updated to firmware V1.010 or newer. The Eco Supermarket recommends using the same battery type where possible for optimal performance.
What warranty is included?
The EP6 comes with a 10-year warranty and is rated for >6000 life cycles.

Product Code: FOX-EP6


Downloads

Datasheet โ€“ Fox ESS EP6
Installation Guide โ€“ Fox ESS EP6
User Manual โ€“ Fox ESS EP6
Factsheet โ€“ Fox EP Series

Warranty Document


Video โ€“ The Eco Supermarket | Expert Support. Real Reviews. Reliable Service.

 

£1,224.00 inc.VAT (£1,020.00 Ex.VAT)

Multi-buy Discount
Quantity Discount Per Unit
2 £15.00
3 £20.00
4 + £25.00

Fox EP6 5.76kWh Li-ion Battery with Heater

Enhanced Performance with the Fox EP6 5.76kWh High Voltage Battery – Foxโ€™s first slimline, wall-mountable storage solution with built-in self-heating technology for reliable performance in low temperatures.

The EP6 offers 5.76kWh capacity, 90% Depth of Discharge, and a 10-year warranty. With the Fox Junction Box, you can scale to 23.04kWh (4 units), or up to 46.08kWh when paired with the Fox H3 PRO hybrid inverter.

Note: A Junction Box is required when installing 2-4 EP6 batteries.

Note: Fox EP5 and EP6 batteries can be mixed in the same system, as long as all batteries are updated to firmware V1.010 or newer. For best performance, we still recommend using the same model where possible.


System Configuration Limits

Maximum Capacity:

4x EP6 Batteries = 23.04kWh
8x EP6 Batteries = 46.08kWh (with Fox H3 PRO only)


Key Features of the Fox EP6 5.76kWh Battery:

  • 5.76kWh capacity per battery
  • Self-heating element for improved low-temperature performance
  • 90% Depth of Discharge (DoD)
  • Scalable to 23.04kWh (4 units) / 46.08kWh (with H3 PRO)
  • Slimline design โ€” only 185mm depth, wall or floor-mountable
  • IP65 Rated for indoor/outdoor use
  • CAN / RS485 communication
  • Wide temperature tolerance
  • High voltage, high efficiency system
  • 10-Year Warranty
  • 6000+ Life Cycles

Easy Installation & Monitoring

  • Requires Fox Junction Box for multi-battery setups
  • Monitor performance with Fox Cloud 2.0 via smartphone or tablet

Fox ESS EP6 Warranty

The EP6 comes with a full 10-year warranty and is rated for 6000+ life cycles.


Compatibility of the Fox ESS EP6 Battery

  • Works with all Fox ESS single-phase and three-phase hybrid inverters
  • Compatible with Fox AC-coupled inverters
  • Junction Box required when connecting more than one battery

Fox ESS Integrations

Axle Energy logo
Earn extra from your Fox ESS battery

Axle Energy runs a free Virtual Power Plant (VPP) that works with Fox ESS batteries and inverters. It occasionally exports energy from your system to support the grid - and pays you for taking part.

  • ยฃ25 signup bonus when you join via our link
  • ยฃ10/month minimum earnings guaranteed
  • ยฃ1 per kWh exported during events
Earn ยฃ10/month & join the Axle VPP

Octopus Energy
Switch to the UKโ€™s most awarded energy supplier
Switch to Octopus Energy and youโ€™ll get ยฃ50 credit once your switch is complete. Existing customer? Find out how you can benefit too. T&Cs apply (only one switching offer per household).
Get ยฃ50 Credit

Frequently Asked Questions

What is the Fox EP6 battery?
The EP6 is the latest li-ion battery from Fox ESS’s EP range. It is a wall-mounted, 5.76kWh lithium battery with built-in heating technology. This battery is ideal for domestic or commercial use thanks to it’s smart design, high efficiency and vast scalability.
How many EP6 batteries can I connect?
Up to 4 units (23.04kWh) with the Junction Box, or 8 units (46.08kWh) when paired with the Fox H3 PRO inverter.
Is the Junction Box always required?
No. The Junction Box is only needed if more than one EP6 battery is installed in the same system.
Can the EP6 be wall-mounted?
Yes. The EP6 is Foxโ€™s first slimline wall-mountable battery, with a depth of just 185mm. It can also be floor-mounted.
Can I mix EP5 and EP6 batteries?
Yes. EP5 and EP6 batteries can now be paralleled in the same system. If you are expanding an existing EP5 setup, ensure the batteries are updated to firmware V1.010 or newer. The Eco Supermarket recommends using the same battery type where possible for optimal performance. If you are unsure, please contact us.
What warranty is included?
The EP6 comes with a 10-year warranty and is rated for >6000 life cycles.


Product Code: FOX-EP6


Downloads & Videos

Datasheet โ€“ Fox ESS EP6
Installation Guide โ€“ Fox ESS EP6
User Manual โ€“ Fox ESS EP6
Factsheet โ€“ Fox EP Series

Warranty Document


Video โ€“ The Eco Supermarket | Expert Support. Real Reviews. Reliable Service.

Order the Fox ESS EP6 5.76 kWh Battery today from The Eco Supermarket for fast UK delivery, expert support and a 10-year warranty.

SKU: FE-HV-EP6 Categories: , , , ,
Brand

Fox ESS

Capacity

5.76kWh

Depth of Discharge

90%

Life Cycles

>6000

Protection Class

IP65

Weight

51kg

Dimensions

380 x 640 x 185mm

Warranty

10 Years

Product Code: FOX-EP6

Downloads

Datasheet โ€“ Fox ESS EP6
Installation Guide โ€“ Fox ESS EP6
User Manual โ€“ Fox ESS EP6
Factsheet โ€“ Fox EP Series

Warranty Document

Video โ€“ Fox ESS at Solar & Storage Live 2025