TOPBAND 3.13MWh / 1500kW Grid-Scale Liquid Cooled BESS Container | Valtrix String 3.0 Utility Energy Storage System

Product Description

Product Description
Valtrix String 3.0 BESS
Valtrix String 3.0 – Powering the Future Grid

As renewable penetration increases, grid stability and dispatch flexibility become critical. The liquid-cooled BESS container is engineered to deliver reliable, high-capacity energy storage for modern power systems.

This solution helps operators:

  • Stabilize renewable fluctuations
  • Increase grid reliability
  • Generate revenue from ancillary services
  • Improve asset utilization
  • Reduce curtailment losses
Key Product Features
Large-Capacity Energy Platform
Large-Capacity Energy Platform
  • Rated Energy: 3.13MWh @ BOL
  • Battery Type: LFP 3.2V / 314Ah
  • DC Voltage: 832V nominal
  • Operating Range: 728V–936V
  • Total DC Capacity: 261kWh × 72 modules
  • Round-Trip Efficiency: ≥90%
  • Charge/Discharge Rate: ≤0.5C

Active balancing ensures improved cell consistency and higher usable lifetime energy output.

High Power Output for Grid Support
  • Rated Power: 1500kW
  • AC Voltage: 400V (±15%)
  • Frequency: 50/60Hz
  • Three-phase four-wire (3W+N) connection
  • Power Factor: 0.99
  • THD: ≤2%

Supports both grid-connected and off-grid operational modes.

High Power Output for Grid Support
Optimized Thermal & Environmental Performance
Optimized Thermal & Environmental Performance

Liquid cooling system (water-glycol medium) ensures:

  • Precise temperature control
  • Improved lifecycle performance
  • Reduced thermal stress
  • Stable operation in extreme climates
  • Operating Temperature: -30°C to 50°C
  • IP55 enclosure rating
  • Corrosion Class: C4 (C5 optional)
  • Maximum Altitude: 3000m
Multi-Layer Safety Architecture

Safety is integrated at every level:

  • Pack-level and cabinet-level fire suppression
  • Gas, smoke & temperature detection sensors
  • Aerosol + water-based fire extinguishing system
  • Explosion-proof structural design
  • Intelligent monitoring & diagnostics

Certifications:

  • IEC 62619
  • IEC 62477
  • IEC 61000
  • EN 50549-1
  • UN38.3
Multi-Layer Safety Architecture
Product Parameters
🔷 Container Overview
  • Dimensions: 6058 × 2896 × 2438 mm
  • Approx. Weight: 30 tons
  • Communication: MODBUS-TCP / CAN / RS485
  • Cooling Method: Liquid cooling system

Factory-assembled and fully tested before shipment for simplified project deployment.

FAQ
What is the energy capacity per container?
The system features a rated energy capacity of 3.13MWh.
What is the rated output power?
The system delivers a rated output power of 1500kW.
What cooling method is used?
It utilizes an advanced liquid cooling system configured with a water-glycol medium for optimal temperature control.
Is it suitable for extreme climates?
Yes, the system is designed to run reliably under harsh environments with an operational temperature range of -30°C to 50°C.
What applications is it best suited for?
It is ideal for utility-scale renewable energy integration, key grid support services, and industrial-grade energy storage facilities.
What safety mechanisms are built into the design?
The system includes pack-level and cabinet-level fire suppression, integrated gas/smoke/temperature sensors, and aerosol + water-based fire extinguishing protection.

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