The Liquid-Cooling BESS 125kW/261kWh is a high-performance commercial and industrial energy storage solution engineered for safety, scalability, and efficiency. It integrates LFP battery modules, EMS, liquid cooling, fire protection, and advanced monitoring systems into a modular design. Its independent liquid cooling system maintains optimal battery performance, while the cloud-edge control platform provides 24/7 real-time monitoring and multiple operational strategies. With high conversion efficiency and robust environmental adaptability, it’s ideal for reducing energy costs, increasing renewable energy usage, and ensuring uninterrupted power supply.  

Specifications:

Parameter	Value
Rated Power	125kW
Rated Energy	261kWh
Battery Type	LFP
Cooling Method	Liquid cooling
Protection Level	IP54
Cycle Life	≥6000 cycles
Fire Protection	Multi-layer with PACK-level suppression
Operating Temp	-20°C to 50°C (derating above 45°C)
Dimensions	Custom modular cabinet
Communication	CAN, Ethernet
Protocols	ModbusTCP/RTU
Applications	Peak shaving, backup power, PV integration
Certifications	GB/T36276-2018, IEC62619

Typical Applications:

• Peak load reduction for commercial & industrial facilities
• Renewable integration for PV + storage setups
• Backup power during grid outages
• Voltage regulation and grid support
• Energy cost optimization through peak/off-peak pricing

Packing List:

• 1 × Liquid-Cooling ESS cabinet (125kW/261kWh)
• Integrated EMS, BMS, liquid cooling, and fire protection systems
• Installation manual & warranty documents

About Manufacturer:

WELTRUS (Hangzhou Weltrus New Energy Technology Co., Ltd.) is part of the Welfull Group, established in 1993, with an annual operating income exceeding 5.6 billion yuan. The company leverages its strong industrial and financial foundation in Zhejiang Province, China. It stands at the forefront of clean energy development with core competencies in photovoltaics, new energy vehicles, and energy storage applications. R&D & Innovation: Weltrus brings extensive R&D experience across several sectors—including energy storage, photovoltaic technology, new energy vehicle systems, and HVAC/R. This deep technical expertise drives continuous product innovation and upgrades.