FOXESS EQ5000-S High-Voltage LiFePO4 Battery Module 5.12 kWh

Solar installers and system integrators working on residential or commercial energy storage projects need a battery module that balances safety, longevity, and scalability. The FOXESS EQ5000-S delivers 5.12 kWh of nominal energy in a compact, rack-mountable unit. Built with lithium iron phosphate (LiFePO4) chemistry, it offers a usable capacity of 4.6 kWh and operates at a nominal voltage of 102.4 V, making it ideal for high-voltage inverter systems such as the FoxESS H1/H3 Pro series. The module supports up to 7 units per stack with a master unit, allowing scalable storage from 5 kWh to over 35 kWh.

Key specifications

• Nominal energy: 5.12 kWh (usable: 4.6 kWh)
• Nominal voltage: 102.4 V; operating range 89.6–116.8 V
• Max charge/discharge current: 50 A; peak discharge power: 5 kW (10 s)
• Depth of discharge: 90%; cycle life: >6000 cycles at 90% DOD, 25°C
• Communication: CAN / RS485
• Operating temperature: charge 0–50°C, discharge -10–50°C
• Enclosure protection: IP20; rack-mounted or floor-standing
• Certifications: CE, TUV, IEC62619, UN38.3
• Warranty: 10 years

Why choose it

The EQ5000-S combines safety and longevity with LiFePO4 chemistry, offering over 6000 cycles at 90% depth of discharge. Its high-voltage design reduces current and cabling losses, improving overall system efficiency. With a 10-year warranty and compliance with international safety standards, it provides reliable, long-term energy storage for demanding applications.

Ideal use cases

• Residential solar self-consumption with FoxESS H1/H3 Pro inverters
• Commercial energy storage requiring scalable rack-mounted solutions
• Backup power systems needing high cycle life and safety

Good to know

This module is part of the FoxESS high-voltage battery system and requires a master unit for stack operation. It is designed for indoor installation (IP20) and can be mounted in a standard 19-inch rack or placed on the floor. The battery management system (BMS) ensures safe operation and communication with compatible inverters.