LiFePO4 energy storage system ESS-SYS series

air-cooledcabinet

Product overview
The energy storage battery cabinet is a modular, factory-integrated system engineered for commercial and industrial stationary energy storage. It combines advanced battery management, intelligent thermal control and multi-layer safety systems to deliver reliable power support for renewable integration, peak shaving and off-grid applications. Certified to international standards, the cabinet offers wide environmental adaptability and simplified maintenance.

Features

• Flexible installation: Integrated rack design supporting side-by-side deployment and scalable expansion.
• Advanced protection: Multi-layer protection including cell monitoring, BMS fault isolation and active thermal management.
• High energy density: Compact footprint with high storage capacity, suitable for constrained sites.
• 0.5P charge/discharge: Supports 0.5P charging and discharging for balanced power throughput.
• Battery chemistry: LiFePO4 cells providing long cycle life and thermal stability.

Technical specifications

• Product models: ESS-SYS-DC-128/257-F | ESS-SYS-DC-64/129-F | ESS-SYS-DC-56/113-F | ESS-SYS-DC-48/96-F | ESS-SYS-DC-40/80-F
• Battery type: LiFePO4
• Cycle life: ≥6000 cycles (100% DOD, 25±2°C, EOL 80%)
• C/D-rate: 0.5C / 0.5P @25°C
• Depth of discharge: 90% DOD
• Rated energy: 257.228 kWh | 129 kWh | 113 kWh | 96 kWh | 80 kWh (0.5P, 25±2°C)
• Nominal voltage: 819.2V | 409.6V | 358.4V | 307.2V | 256V
• Voltage range: 716.8–908.8V | 358.4–454.4V | 313.6–397.6V | 268.8–340.8V | 224–284V
• Cell type: LFP 3.2V/314Ah
• Battery connection: 1P256S | 1P128S | 1P112S | 1P96S | 1P80S
• PACK connection mode: 1P16S
• SOE estimation accuracy: <5%
• Max terminal temperature difference: 3.5°C
• Efficiency: 95% (round-trip)
• Noise: <75 dB
• Protection level: IP55
• Operating temperature: -20°C to +55°C
• Humidity: 0–95% non-condensing
• Altitude: rated to 4000 m (derating above 2000 m)
• Fire protection: aerosol system
• Thermal management: intelligent air cooling
• Dimensions (W×D×H): 1150 × 1100 × 2400 mm
• Weight: 2414 kg | 1522 kg | 1408 kg | 1294 kg | 1220 kg
• Anti-corrosion grade: C3
• Safety design: explosion-proof and explosion-relief
• Communication: RS485, CAN, Ethernet; protocols: CAN, Modbus RTU, Modbus TCP

Typical applications

• Commercial and industrial energy storage systems
• Renewable energy integration (solar, wind)
• Grid peak shaving and ancillary services
• Microgrids and off-grid power supply
• Backup power for critical infrastructure and data centers

Compliance & safety

• Designed for safe operation with explosion-proof measures and aerosol fire suppression.
• Meets international protection and safety standards; suitable for harsh environments (IP55, C3 anti-corrosion).
• Monitoring and communication interfaces enable remote diagnostics and integration with site energy management systems.