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Fox EQ4300 4.32kWh MASTER Battery – EQM4300 Fox ESS


Unlock Greater Energy Storage with the Fox EQ4300 4.32kWh MASTER Battery โ€” a powerful high-voltage expansion unit designed to work exclusively with the Fox EQ4300 SLAVEย batteries.

The Fox EQ4300 4.32kWh MASTER battery offers a compact, stackable design for flexible installation, allowing you to expand your system with up to 6 SLAVE units.

Note: This is a MASTER unit and cannot function independently. At least 1 SLAVE battery is required. You can purchase a compatible SLAVE battery here.


System Configuration Limits

Minimum Setup Requirements:

  • Single Phase: 1x Master + 1x Slave
  • Three Phase: 1x Master + 2x Slaves

Maximum Capacity:
1x Master + 6x Slaves = 30.24kWh total


Key Features of the Fox EQ4300 4.32kWh MASTER Battery:

  • 4.32kWh Storage Capacity per battery
  • Scalable up to 30.24kWh with up to 6 Slave units
  • 90% Depth of Discharge (DOD) for high efficiency
  • Compact & Stackable for space-saving installation
  • Easy Plug-and-Play Setup with simple buckle-fixing design
  • CAN/RS485 Communication for seamless system integration
  • Wide Operating Temperature Range
  • Fast Charge/Discharge Performance
  • 12-Year Warranty (upon registration at Fox ESS website)

Product Code: EQM4300
Learn More:ย Fox ESS Energy Cube Factsheet


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


Downloads

Datasheet – Fox EQ4300 4.32kWh Battery
Installation Guide for Fox Energy Cube Batteries
User Manual for Fox Energy Cube Batteries
Warranty Document – Fox ESS

Fox ESS Battery Limits Guide

Video – Fox Energy Cube Series

£1,440.00 inc.VAT (£1,200.00 Ex.VAT)

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

Unlock Greater Energy Storage with the Fox EQ4300 4.32kWh MASTER Battery โ€” a powerful high-voltage expansion unit designed to work exclusively with the Fox EQ4300 SLAVEย batteries.

The Fox EQ4300 4.32kWh MASTER battery offers a compact, stackable design for flexible installation, allowing you to expand your system with up to 6 SLAVE units.

Note: This is a MASTER unit and cannot function independently. At least 1 SLAVE battery is required. You can purchase a compatible SLAVE battery here.


System Configuration Limits

Minimum Setup Requirements:

  • Single Phase: 1x Master + 1x Slave
  • Three Phase: 1x Master + 2x Slaves

Maximum Capacity:
1x Master + 6x Slaves = 30.24kWh total


Key Features of the Fox EQ4300 4.32kWh MASTER Battery:

  • 4.32kWh Storage Capacity per battery
  • Scalable up to 30.24kWh with up to 6 Slave units
  • 90% Depth of Discharge (DOD) for high efficiency
  • Compact & Stackable for space-saving installation
  • Easy Plug-and-Play Setup with simple buckle-fixing design
  • CAN/RS485 Communication for seamless system integration
  • Wide Operating Temperature Range
  • Fast Charge/Discharge Performance
  • 12-Year Warranty (upon registration at Fox ESS website)

Easy Installation

Designed with installers in mind, the Fox EQ4300 4.32kWh MASTER Battery is a plug-and-play system with a stackable modular design, making it simple to expand your setup – even post-installation.


Real-Time Monitoring

Track your batteryโ€™s performance with ease using your smartphone or tablet. Access live data, historical charge logs, and configure charging schedules to take advantage of off-peak energy rates.


Product Code: EQM4300
Learn More:ย Fox ESS Energy Cube Factsheet


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

Downloads

Datasheet – Fox EQ4300 4.32kWh Battery
Installation Guide for Fox Energy Cube Batteries
User Manual for Fox Energy Cube Batteries
Warranty Document – Fox ESS

Fox ESS Battery Limits Guide

Video – Fox Energy Cube Series

SKU: FE-HV-EQM-4300 Categories: , , , ,
Brand

Fox ESS

Capacity

4.32kWh

Depth of Discharge

90%

Life Cycles

>6000

Protection Class

IP65

Weight

37kg

Warranty

12 Years

Product Code: EQM4300
Learn More:ย Fox ESS Energy Cube Factsheet

Downloads

Datasheet – Fox EQ4300 4.32kWh Battery
Installation Guide for Fox Energy Cube Batteries
User Manual for Fox Energy Cube Batteries
Warranty Document – Fox ESS

Fox ESS Battery Limits Guide

Video – Fox Energy Cube Series