835kWh Energy Storage System
835kWh Energy Storage System
835kWh Energy Storage System
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  • 835kWh Energy Storage System
  • 835kWh Energy Storage System
  • 835kWh Energy Storage System

835kWh Energy Storage System

SMT-ESS-CUBE835CE


The 835kWh outdoor battery cabinet, model SMT-ESS-CUBE835CE, is equipped with high-safety, long-life 314Ah lithium iron phosphate (LFP) cells. The cells are arranged in a 1P104S configuration to form standardized battery packs, with four packs in series forming a battery cluster. The outdoor cabinet contains two parallel battery clusters. The battery pack features a plate-type liquid cooling design, with the liquid cooling plate integrated into the lower part of the pack and connected to the liquid cooling unit via external piping. The optimized cooling plate and piping design enable efficient battery thermal management under various operating conditions. The cabinet's structural waterproof and dustproof design, multiple electrical protection designs, multi-lev- el BMS architecture, and independent fire detection and extinguishing devices ensure long-term safe operation of the outdoor cabinet from mechanical, electrical, and fire protection aspects.

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Technical parameters

      • 名称 参数

Features

    • ● High-capacity cells and large pack design enhance energy density and reduce cost per Wh.
      ● Precise thermal management strate- gies reduce auxiliary power consump- tion and improve system efficiency.

      ● Multi-level electrical protection, including:Pack-level fuses for overcurrent and short-circuit protection; Cluster-level fault identification and active safety protection; Overcurrent and short-circuit protection on the collection cabinet side; Active protection from the PCS in response to BMS fault reports.
      ● The battery cabinet can be flexibly matched with either a DC-coupled or AC-coupled solution.

       

Technical Parameters

Product Model

 SMT-ESS-CUBE835CE

Nominal Energy (kWh)

835.9

Nominal Power (kW)

417.9

Nominal Voltage (V)

1331.2

Charge / Discharge Rate

0.5P

Cell Type (Ah)

LFP, 314

Grouping Method

1P104S x 4S x 2P

Boltage Range (V)

1164.8 to 1497.6

DC-side RTE Efficiency

≥94% (@25±3°C, 0.5P, BOL, with at least 1h interval between charge and discharge, excluding auxiliary power consumption)

Cooling Method

Liquid cooling with 50% ethylene glycol water solution

Fire Protection

Combustible gas detection, smoke detector, temperature sensor, intake and exhaust fans + water fire extinguishing + aerosol fire extinguishing (gas suppressant: aerosol)

Fire Protection System

Explosion Relief Valve + Smoke And Temperature Detection + Perfluorohexanone + Immersion Fire Protection

Thermal Management System

Immersion Liquid Cooling

BMS Balancing Method

Passive balancing

IP Rating

IP55 (battery compartment)

Corrosion Resistance Rating

C4-M (cabinet meets C4-M, liquid cooling unit standard C3-M, optional C4-M)

Design Life

20 years (main structure)

Dimensions (W×D×H) mm

1425*2595*2516

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