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SAJ Electric's best battery system for commercial and industrial (C&I) applications. Class-leading storage capacity and price. Connect to ancillary markets to start earning.
The SAJ CM2 Series is a smart C&I all-in-one BESS storage machine designed for commercial and industrial energy storage projects. This all in one storage system CM2 integrates battery packs, PCS, BMS, EMS, temperature control, fire protection, and power distribution systems into one compact unit, achieving high efficiency and easy deployment. The CM2 storage machine offers flexible power and capacity configurations, ensuring safe, stable, and reliable operation for a wide range of C&I applications.
Ultimate Safety & Robust Protection
Safety is at the heart of the SAJ CM2 storage machine. The system features an EI60-grade battery cabinet, multi-sensor fire detection, and cell-level monitoring to ensure secure operation in demanding environments. With comprehensive fire protection and a durable design, the all in one storage system CM2 delivers stable performance for commercial and industrial users.
Protection Features:
•EI60 cabinet insulation providing strong thermal isolation
•Battery PACK-level and cabinet-level aerosol fire protection
•IP54 (Cabinet) and IP65 (PCS) ingress protection
•Liquid cooling for battery and air-forced PCS temperature control
•C4 corrosion protection level suitable for harsh environments
Integrated Design & Easy Deployment
Based on the All-in-One design concept, the SAJ CM2 Series combines multiple subsystems — including the battery pack, PCS, BMS, EMS, temperature control, fire protection, and power distribution — into one compact cabinet. This high-integration structure simplifies installation, saves space, and enhances overall system efficiency.
Design Advantages:
•Highly integrated All-in-One architecture
•Compact structure for quick Plug-and-Play installation
•200kWh/m²+ energy density for efficient use of space
•PCS fusion design ensuring seamless integration between power and control modules
•Non-isolated topology for flexible C&I configuration
Smart EMS Control & Reliable Operation
The smart C&I all in one BESS CM2 integrates a built-in EMS that enables flexible scheduling and system coordination. Through real-time communication via Wi-Fi, Ethernet, or RS485, the system ensures efficient operation and remote monitoring across different C&I applications. Its highly consistent temperature control (<3℃ difference) ensures long-term stability and battery lifespan.
EMS Advantages:
•Built-in intelligent EMS for stable control and energy scheduling
•Over 90% round-trip efficiency
•Multiple operating modes supporting flexible use
•Reliable communication through Wi-Fi / Ethernet / RS485
