Lithium iron phosphate energy storage system UniPower C&I All-in-One BESS

LFPcompactliquid-cooled

Overview
This 261 kWh C&I All-in-One BESS is a liquid-cooled battery energy storage system (BESS) based on Lithium Iron Phosphate (LFP) cells. The cabinet integrates BMS, PCS and EMS with cloud management, providing a compact footprint, flexible installation and targeted safety systems for grid support, peak shaving and backup power applications.

Applications
Commercial buildings and retail
Industrial facilities and factories
Data centers and critical power support
Renewable integration and microgrids
Peak shaving, load shifting and backup power

Key features

• Compact footprint: Designed for space-efficient deployment with side-by-side or back-to-back layouts.
• Liquid thermal management: Intelligent liquid cooling for stable cell temperature and extended cycle life.
• High efficiency: With a maximum system efficiency of over 88%, the solution features rigorous thermal insulation and a highly efficient PCS for greater overall performance
• Enhanced safety: Enhanced protection through BMS and PCS monitoring, emergency stop, remote shutdown, active fire suppression, water-based firefighting, and explosion-proof design.
• Digital management: The integrated BMS, PCS, and EMS, combined with cloud-based supervision, enable end-to-end digital management throughout the system’s life cycle.
• Low noise: Ultra-quiet PCS with built-in noise reduction.

Technical specifications

• Model: ESS-SYS-125/261L-Y
• Battery type: Lithium Iron Phosphate (LFP); Rated energy: 261.25 kWh
• Nominal voltage: 832 V (range 728–949 V); Cell: LFP 3.2 V / 314 Ah; Configuration: 1P52S × 5
• AC rated power: 125 kW (max 137.5 kW); Rated AC voltage: 400 V; Max output current: 198 A; Frequency: 50/60 Hz
• Operating conditions: -20 to 55 ℃, humidity ≤95% non-condensing, altitude up to 4000 m (derated above 2000 m)
• Protection: IP55;
• Communications: CAN, RS485, Ethernet, 4G; Protocols: CAN, Modbus RTU, Modbus TCP, MQTT