522kWh Liquid-Cooled Integrated High-Voltage C&I Energy Storage Cabinet

High-voltage Commercial Liquid-cooled All-in-One Energy Storage Cabinet Fully assembled and system co-commissioned at the factory, the unit only requires mains power connection and earthing on-site to put into operation, cutting construction time by 70%. No dedicated energy storage room is needed, eliminating heavy expenditure on civil engineering, ventilation and fire supporting facilities for storage buildings. The standardized cabinet allows integral vehicle hoisting and flexible capacity expansion via parallel connection of multiple units, enabling small and medium enterprises and distributed PV mini-projects to deploy energy storage at low cost.

The high-voltage DC architecture drastically reduces line current, delivering a comprehensive charge-discharge efficiency of ≥96% and higher revenue from peak-valley arbitrage. Immersive liquid cooling fully wraps battery cells, keeping the temperature difference within the entire cluster ≤2°C with no local hotspots. It maintains full rated power without derating under 40°C high-temperature conditions. The cells support over 6,000 charge-discharge cycles, and the cabinet comes with a 15-year design service life, greatly extending the payback period and cutting later expenses on cell replacement.

A five-tier protection system covers cells, BMS, electrical circuits, fire suppression and EMS. Real-time 24-hour monitoring is implemented for single-string voltage and temperature, with automatic circuit breaking upon faults. It is equipped with an integrated perfluorohexanone clean gas fire suppression system that leaves no residues and causes no corrosion to battery modules. The cabinet features IP54 dustproof and waterproof rating, paired with high-voltage insulation monitoring, lightning protection and multi-stage fuse protection. It operates stably in open-air factory yards under rainy and dusty conditions, avoiding production shutdown losses caused by safety incidents.

The built-in fully automatic energy storage strategy automatically executes peak-valley arbitrage, PV self-consumption and maximum demand reduction to lower enterprises' basic electricity charges. It supports 15ms ultra-fast off-grid switching to ensure uninterrupted power supply for machine tools, central control systems, cold chains and charging piles during sudden power outages. With 4G cloud remote monitoring, purchasers can check SOC, SOH, daily revenue and equipment faults at any time, and remotely adjust parameters without on-site dedicated operators.

The automatic preheating mode enables normal discharge at -30°C and stable charging above 0°C, making the cabinet applicable to factory sites nationwide. The liquid cooling unit runs at a noise level ≤65dB, producing no audible interference when placed adjacent to production workshops and office buildings. Partitioned modular compartments simplify later maintenance and reduce spare part replacement costs.

Highly Integrated: All seven core modules integrated in one cabinet for plug-and-play installation, cutting construction period by over 70%; support parallel connection of multiple cabinets for capacity expansion.

High-Voltage Liquid Cooling: With CAN and RS485 protocols, the lithium battery pack works seamlessly with various inverter brands.

Five-Tier Safety Protection: Full-chain safety covering cell, BMS, fire suppression, electrical system and EMS; equipped with perfluorohexanone fire extinguishing and IP54 outdoor protection rating.

Intelligent Operation & Maintenance: Built-in EMS automatically realizes multiple operation modes including peak-valley arbitrage and PV storage matching; cloud remote monitoring and 15ms off-grid switching.

Wide Environmental Adaptability: Operating temperature range from -30°C to 55°C, outdoor deployment without dedicated room, running noise ≤ 65 dB, suitable for all regions across China.

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