Fox EQ HV EQ4800-L6, 27.96kWh 1x Master 5x Slave

2:  FE-HV-EQ-6-4.8-28.8 Storage Systems - Li-ion Battery Pack

Fox EQ4800-Datasheet

Fox EQ4800 Manual

Fox Product Compatibility

Fox EQ4800 Warranty

Fox EQ Battery Storage – 27.96kWh (Stack of 6 with Master)

The Fox EQ series is a high-performance, modular high-voltage battery storage system designed for scalability and flexibility. This system includes a master battery plus five slave batteries, delivering a total usable storage capacity of 27.96kWh.

With a plug-and-play design, 90% depth of discharge, and wide operating temperature tolerance, the Fox EQ is suitable for a broad range of residential and commercial energy storage applications. Additional batteries can be added to expand the system up to 41.94kWh.

⚠️ Important: To activate the full 12-year warranty, all Fox installations must be registered online. Unregistered installs default to a 5-year warranty.

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What’s Included

• 1 x Fox EQ4800 4.66kWh HV Battery (Master) (FE-HV-EQM-4800)

• 5 x Fox EQ4800 4.66kWh HV Battery (Slave) (FE-HV-EQS-4800)

✅ Compatible with ECS-4800 batteries

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Key Features

• Plug-and-play installation – quick and easy setup

• 4.66kWh per module, scalable up to 41.94kWh

• 27.96kWh usable storage (with this stack of 6)

• 90% depth of discharge for maximum capacity use

• Wide temperature tolerance for reliable performance

• CAN/RS485 communication for system integration

• High-voltage design for efficiency and flexibility

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Technical Specifications

General

• Weight: 249.5 kg

• Battery Type: Lithium-ion

• Nominal Energy: 27,960 Wh (27.96kWh)

• Depth of Discharge: 90%

• Dimensions: 570 x 938 x 380 mm (W x H x D)

Electrical Performance

• Voltage: 268 V

• Continuous Discharge Rate (Normal Use): 2,240 W

• Maximum Discharge Rate (5 Minutes): 4,480 W

• Surge Discharge Rate (15 Seconds): 5,785 W

• Maximum Charge Rate (5 Minutes): 4,480 W

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Installation Notes

• Requires a minimum of 2 modules (1x Master + 1x Slave) to operate

• Supports up to 9 modules in a stack (1x Master + 8x Slaves)

• Must be installed by a qualified electrician

• If expanding an existing Energy Cube stack, ensure compatibility with original modules

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Why Choose the Fox EQ Battery System?

• Scalable energy storage to suit your needs

• Designed for long-lasting, efficient performance

• High voltage for improved round-trip efficiency

• Future-proof investment with up to 12 years warranty

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✅ The Fox EQ Battery Storage System (27.96kWh) is a scalable, efficient, and reliable solution – perfect for maximising solar energy usage and reducing grid dependence.

Please note: In order to increase the product warranty from 5 to 12 years you must register your install with Fox online to activate the 12 year warranty, otherwise it's 5 years as standard. Please click here for registration page. You can review the warranty document for more information.