The Fox ESS 24kWh system typically refers to a high-voltage, modular battery configuration using either the ECS (Energy Cube) or Mira series. Because these systems are modular, a 24kWh setup is achieved by stacking multiple battery modules together.

The most common 24kWh configuration is the ECS4100-H6, which provides 24.18kWh of total capacity.

Technical Specifications (ECS4100-H6)

This system consists of one “Master” battery manager (CM) and five “Slave” modules (CS) stacked vertically.

• Total Capacity: 24.18 kWh

• Usable Capacity: ~21.76 kWh (at 90% Depth of Discharge)

• Battery Type: LiFePO4 (Lithium Iron Phosphate)

• Nominal Voltage: 345.6 V

• Operating Voltage Range: 291.6 V to 394.2 V

• Cycle Life: $\ge 6,000$ cycles

• Protection Rating: IP65 (Suitable for indoor or outdoor installation)

• Dimensions: Approximately 570 x 1006 x 380 mm

• Weight: ~218 kg

   

Key Features

• Modular Scalability: You can start with a smaller stack and add modules later (up to 7 modules total in one stack).

• Plug & Play: The modules stack on top of each other with internal connectors, eliminating the need for complex internal wiring between batteries.

• High Efficiency: Round-trip efficiency is typically $>95\%$, ensuring minimal energy loss during the charge/discharge process.

• Wide Temp Tolerance: Designed to operate in temperatures ranging from -10°C to 55°C.