Fox ESS – Standalone Battery Module CM4000

Product Description

The CM4000 is the controller module in the modular ECS4000 battery system. It comes paired with CS4000 slave modules to form high-voltage battery stacks.

Key Features

• Stackable design, plug and play setup
• High efficiency: 6000+ cycles@90%DOD
• Expandable system, flexible customize to 19.87kWh
• BMS and cable set build-in, no wring cable needed
• IP65, indoor or outdoor installation
• 12.5 years warranty

Features

The FOX ECS CM4000, as part of the scalable ECS4000 lineup, offers:

• Modular scalability: Build systems from ~4 kWh up to ~28 kWh
• High-performance LiFePO₄ chemistry: Long life, safe, stable
• Efficient & certified: >95% round-trip efficiency, UL/IP65 rated
• Plug-and-play: Easy installation with CAN communication and LED indicators
• Durability: Outdoor-rated, 6000+ cycles, 12.5-year warranty